Rigorous scholarship forms characteristics. When Liu was still very weak, he went to An Medical College to study, and took part in 1959- 1962, the first middle class of western learning in Gansu Province. He is the second batch of national old Chinese medicine experts' academic experience inheritance instructors. Advocate dual diagnosis of Chinese and western medicine and organic combination of Chinese and western medicine. Diagnosis, Syndrome Differentiation and Therapeutic Evaluation of Chronic Glomerulonephritis (Trial Scheme) formulated in 1980s has become the national trial standard. Liu Lao's scholarship has three characteristics: first, he is good at learning and absorbing the latest medical research results; The second is to carry out experimental research with scientific methods and summarize cases; The third is to develop my own experience in treating kidney disease into a traditional Chinese medicine preparation for clinical use. His treatment needs the combination of traditional Chinese and western medicine, considering eliminating pathogenic factors and strengthening the body resistance, and treating both inside and outside, so the effect is remarkable. The author understands that the characteristics of teacher Liu's treatment are: to make clear the diagnosis of modern medicine (including pathological diagnosis); Accurate TCM syndrome differentiation (we often meet his old man's house to correct and supplement the diagnosis and treatment plans of other big hospitals); Formulate a treatment plan that combines traditional Chinese and western medicine organically. The prescription of traditional Chinese medicine is concise (usually 7~8 flavors) to achieve the purpose of treating diseases. The use of drugs highlights the dosage of monarch drugs and cannot cover everything. Law-abiding people who have been treated unilaterally for more than half a year are everywhere, and the effect is good. Liu Lao, who attaches great importance to the cultivation of post-students, worked in the Second Affiliated Hospital of Lanzhou University in his early years. After retirement, he helped to establish two provincial and municipal kidney disease treatment centers (Affiliated Hospital of Gansu College of Traditional Chinese Medicine and Second People's Hospital of Lanzhou City), and trained many medical rookies such as Gan Peishang, Xu Yun, Dai Enlai, Cao, Ma Hongbin, Xue, etc., which were distributed in many hospitals across the country. There are countless students who follow Mr. Liu's free clinic and rounds. Liu Lao attached great importance to the following work when making rounds in the hospital, so as to facilitate the development of later research: First, he instructed doctors in various departments to standardize the diagnostic criteria of kidney diseases, formulated the treatment scheme of combining traditional Chinese and western medicine, and constantly improved and perfected it in practice, creating a series of experience prescriptions with good curative effect and little side effects. The second is to teach questions. According to the problems encountered in clinical and scientific research, some difficult, forward-looking and enlightening questions are put forward to doctors, graduate students and interns in the department to stimulate their interest in practice and study. Third, broaden our thinking, innovate constantly and make suggestions for the development of the department. Health and longevity are the most convincing advertisements for doctors' medical achievements. Mr. Liu is nearly eighty years old, tall and thin, can stand for two hours in a row, has quick thinking and seldom gets sick. In addition to the rules of life, it is more important that he must do self-made full-body massage exercises before getting up in the morning; On weekdays, I have a good attitude, indifferent to fame and fortune, willing to make diagnosis and treatment, diligent in writing, and love flowers and calligraphy; And often take astragalus, angelica, wild ginseng, rhodiola, etc. We can learn many rules of being a man and practicing medicine from his health preservation. People in China pay great attention to filial piety. Liu Lao died seven months after he was born. His father was Hanlin in the late Qing Dynasty, a famous scholar, educator and calligrapher in modern Gansu. Liu Lao's filial piety is to sort out his father's academic thoughts, poems and calligraphy all his life and leave them to future generations as literature and history materials. In order to fulfill this wish, he is nearly 80 years old. After busy clinical work, he tirelessly studied computers, consulted classical literature and investigated historical materials. Three years later, he finally got what he wanted. Nowadays, many Chinese medicine practitioners are busy with their careers and neglect their concern for their parents and relatives. As everyone knows, if you are not filial to your loved ones, how can you treat the patient's virtue as your loved ones?