Aerobic exercise-the choice of human leisure lifestyle Sports leisure is considered to be the inevitable lifestyle of human evolution. As an important activity form of sports and leisure, aerobic exercise directly affects people's physical and mental health and quality of life. People should take more valuable exercise and leisure to improve people's lifestyle; And lead sports leisure life to a more ideal state and realm, so that the whole human society will continue to develop and progress. Keywords: leisure; Leisure sports; There is a saying in the philosophy of aerobic exercise: the incompleteness of human evolution. We all admit that all living things are still evolving and this process will last forever. People have also made a lot of predictive imaginations about their own evolutionary results. Toe Dickson, a famous American archaeologist, pessimistically believes that human hands and feet are thinner, and the head is 10 times larger than the body. Some anthropologists even estimate that humans will evolve into spider-like bodies in a few years. Its theoretical basis is undoubtedly that mental labor will replace physical labor, leading to limb atrophy, and the theory of "using it and then abolishing it" embodies the "possible result" of evolution brought about by people's own evolutionary environment. From the perspective of modern anthropology and aesthetics, this "possible result" of human evolution is sad, and it seems that human beings have not paid enough attention to this "possible result". It seems impossible to prevent human beings from developing and utilizing the brain, but to replace human physical labor with machines. Will the possible results of human evolution become inevitable? Never! Throughout the course of human development, there are brilliant human cultural phenomena, which are the great practice of human society and the "patron saint" of human evolution and development. This is the sports practice of human society. Sports will become an effective way to keep and maintain people's original appearance and nature, that is, to keep and maintain the original appearance, and sports will continue people's instinct in human evolution. 1 the rise of leisure sports with the progress of science and technology and the development of economy, human beings are extremely rich in material wealth, working hours are gradually shortened, and leisure time is increasing. According to the American Time magazine, about 10,000 years ago, during the farming period, only 10% of the time was spent on leisure. In the handicraft era, about 17% of the time was spent on leisure; By the 1970s, the use of power machines increased human leisure time by 23%. In the 1990s, electronic power machines made human leisure time soar to 4 1%. It is estimated that around 20 15 years, human beings will spend 50% of their time on leisure. Leisure in today's world has become a symbol to measure the development level of a country's productive forces and the degree of social civilization, and it is the crystallization of human material civilization and spiritual civilization. Leisure activities cover a wide range, such as reading, watching TV, gardening, beauty, traveling, listening to music, sports activities, self-improvement and re-education. Leisure sports are the favorite leisure activities of modern people. Sports and leisure is an advanced ideal lifestyle created by human beings, which is beneficial to their own development. It has its inevitable development laws, stages, ideals and characteristics. Some scholars have summarized the polarization of human life from the perspective of leisure, that is, work and leisure. If sports are included in leisure, it will be of great significance to maintain human evolution. Sports and leisure are considered to be the inevitable lifestyle of human evolution. In the long evolution of human society, sports has experienced the development process from primitive sports, ancient sports, modern sports to modern sports. No matter at what stage of sports, leisure and sports always keep close contact. In ancient Greece, the Athenians were typical of living a leisurely life. They deal with official business before noon and enjoy leisure in wrestling and gymnasium in the afternoon. At that time, the gymnasium was a public facility for ordinary citizens. There are sports fields, walking places and discussion places. In the afternoon, people gather here to spend their leisure time through sports or discussion. In China, cuju (football), running (dragon boat race), throwing pots, swinging, playing chess and clapping (polo) are all sports activities that China people like in their leisure life. "Cockfighting cuju, walking commentary, sumo stage four or five, stage four or five." In the Middle Ages, although many sports activities were banned, some informal sports competitions such as fencing and equestrian were often held in people's leisure time, which became the main way for people to spend their leisure time. Renaissance, Reformation, Enlightenment and bourgeois industrial revolution promoted the emergence and development of modern sports. As one of the three pillars of modern sports, the prosperity and development of outdoor sports in Britain cannot be separated from the leisure life of the British people. Outdoor sports and games are essential for leisure activities such as holidays, church anniversaries and regular market trading days. Hunting, shooting, fishing, mountaineering, track and field, football, swimming, boating, golf and hockey have become popular contents. In order to increase the fun of entertainment and improve the enjoyment, some sports activities have more formal rules. Some informal sports organizations have been born, and many activities have become the "mother" of modern track and field, ball games and water sports. It can be said that outdoor sports in Britain have laid a good foundation for the formation and development of modern sports and promoted the development of modern leisure life. Modern society is a highly developed society in economy, politics, science and technology and cultural life. The prosperity and development of sports is an important symbol of modern society. With the rapid increase of all kinds of sports books, the popularity of TV and computers, the Internet has entered thousands of households, increasing the amount of sports information. Sports is spreading in people's lives at an unprecedented speed, and its influence is growing. "Exercise is healthy" has become a trend, and leisure time has increased. The improvement of leisure facilities and the change of ideas have laid the foundation for people to enjoy the fun of sports activities better. In the past, some aristocratic sports, such as golf, gradually entered the homes of ordinary people. The data shows that 20 million people in the United States participate in this sport every year, and there are also10 million fans in Japan. In Australia, there is a stadium for every 10,000 people. Less than 150 years ago, many sports and fitness activities, such as golf, tennis, sailing, sightseeing, roller skating and cycling, were almost the activities of the rich. Now, "any ordinary person is enough to participate." The globalization of sports and its international cultural exchanges are getting closer and closer, and some sports spread rapidly in society, such as sports dance and aerobics. In China, some foreign sports have been welcomed by people, and beach volleyball and squash have become the new content of people's leisure life. Some new sports activities have mushroomed. For example, in the early 1990s, the United States, New Zealand, France, Britain and other countries started a kind of "diving" (bungee jumping), and hundreds of thousands of people in these countries engaged in this sport every year. Surfing, skateboarding, rock climbing, gliding, whitewater kayaking, jet skiing, roller skating and fancy cycling, which are called "extreme sports", have also spread at a rapid speed in society and become popular leisure activities. 2 Aerobic exercise-a form of leisure exercise Physiologists believe that human exercise can be divided into anaerobic exercise and aerobic exercise. Aerobic exercise means that when the body is engaged in this sport, the oxygen intake can meet the needs of exercise, and the body's exercise is in a state of sufficient oxygen supply. The most commonly used aerobic exercise is jogging, followed by swimming, cycling, skiing, Tai Ji Chuan, aerobics, rock climbing, hiking, outing, qigong, brisk walking and various ball games. Aerobic exercise, as an important form of leisure exercise, directly affects people's physical and mental health and quality of life. 2. 1 Positive effects of aerobic exercise on health 2. 1. 1 Improving cardiopulmonary function Aerobic metabolic exercise refers to persistent exercise that can enhance the inhalation, input and utilization of oxygen, which is characterized by low exercise intensity and long duration. The purpose of aerobic metabolic exercise is to improve the function of respiratory system and blood circulation system, enhance physical fitness and promote human health and longevity. Vital capacity is a simple index that comprehensively reflects pulmonary ventilation function. It can reflect the development of chest cavity, the ability of lungs to breathe hard, the strength of respiratory muscles and the level of physical exercise. In this study, 60 people who participated in aerobic exercise were studied experimentally. From the table 1, it can be seen that there is a very significant difference in the influence on vital capacity before and after aerobic exercise, which shows that aerobic exercise improves the function of respiratory system, the frequency of gas exchange, the metabolic rate of whole body tissues, aerobic capacity and the metabolic aerobic capacity of cells. Table 1 Comparison of physical function data before and after aerobic exercise: pVital capacity before and after aerobic exercise (n=30) Male (n = 30) Female (n = 30) 3420.5320.4 3789.2750.2285.631/kloc-. Some people call this change "athlete's heart", which is the adaptive change of heart function to physical exercise and a sign of improving heart ability. These changes can prevent and reduce the occurrence of cardiovascular diseases. Improve physical function. This may be because the heart bears a high volume load during long-term aerobic exercise. Under the continuous influence of this load, the cardiac adaptability changes, the left ventricular volume increases, the ventricular wall thickens and the myocardial elasticity increases. At the same time, the corresponding coronary artery diameter increases, coronary blood flow improves, myocardial capillary hyperplasia increases, cardiac blood supply increases, and myocardial strength increases. Due to the increase of left ventricular volume, the myocardial contractility is enhanced and the contraction speed is accelerated. In addition, the contraction of skeletal muscle during exercise can drive more blood back to the heart, resulting in an increase in stroke output, even reaching the maximum. The output per minute is several times or dozens times higher than that in quiet time, and the working efficiency of the heart is greatly improved, which is manifested by quiet heart rate and stride length index. In addition, aerobic exercise can also improve the elasticity of arterial wall, strengthen blood transport capacity, dilate blood vessels and reduce systemic blood flow resistance. This can not only reduce arterial blood pressure, but also accelerate blood flow and improve blood and lymphatic circulation, thus eliminating blood stasis and microcirculation disorders. 2. 1.2 improving body composition table 2 comparison list of body composition data before and after aerobic exercise p body mass index before and after aerobic exercise (n=30) male (n = 30) female (n = 30) 24.02.7 22.43.3 23.72.521.93.4