Generally, you should do a warm-up exercise before fitness exercise. The main purpose of warm-up exercise is to speed up the heartbeat slightly. It has two advantages: it can raise the body temperature of the main parts of the body, make more blood (oxygen) flow to the muscles, and prepare the body for more intense activities. The stretching exercise after slight activity makes the tendon more flexible, because it raises the body temperature and increases the range of joint activity, thus avoiding the damage of joints, ligaments and muscles. Aerobic or anaerobic first, I suggest anaerobic equipment exercise in the front. Because anaerobic exercise needs to mobilize your nerves and your muscle fibers, it needs higher muscle recruitment ability. If you want to do aerobic and anaerobic exercise at the same time in one exercise, then I suggest you put anaerobic exercise before aerobic exercise. In addition, I suggest that girls also do anaerobic, and add some strength exercise when reducing fat, which can make fat reduction get twice the result with half the effort. Many girls don't do strength exercises because they are worried that strength exercises will become "muscle girls". In fact, this is also a misunderstanding. Muscle growth depends largely on testosterone. The amount of testosterone secreted by women is only one-tenth of that of men, so it is difficult for men to build large muscles like those reported on TV and in Shanghai. So most women don't have to worry about this. If the time of anaerobic exercise is strength training, many people think that it is the best state to control it at 1 hour. It doesn't really matter. Many world weightlifting champions only practice three times a week for three or four hours at a time. Just follow your own plan. Beginners don't need to make many plans for fitness. You should know some basic principles and training methods, and then start practicing. Or simply find someone to take you to practice. Basically, novices make great progress when practicing, insisting on practicing three times a week for three months.