The characteristic preventive measures of TCM: prevention before illness, prevention after illness, and prevention after healing” are three aspects of intervention. Preventing diseases before they occur means strengthening the righteousness, nourishing the spirit, exercising, regulating life, and making nutritional arrangements before they occur, depending on the individual’s constitution. It includes traditional methods of health care, such as acupuncture, qigong, food therapy, compresses, herbal medicine, and other preventive measures. In the emotional regulation, we can use “five emotions winning method”, “reasoning and guidance method”, “implication therapy”, “transferring emotions to sex method”, etc. to correct yin and yang The “Five Emotions” method, “Reasoning and Enlightenment” method, “Suggestion Therapy” and “Emotion Transfer Method” can be used to correct the bias of Yin and Yang, so that the body can restore balance and coordination. It can also be said that the disease can be treated early to prevent further changes. Patients with depressive disorders have low mood, loss of interest, loss of energy, psychomotor retardation or agitation, low self-evaluation, prone to suicide, sleep disorders, malnutrition, constipation, etc. For these conditions, Chinese medicine should be promptly administered to prevent the occurrence of changes. Prevention of relapse after healing: In the process of disease treatment, there are two situations of relapse and rekindling. For the intervention of relapse, it should be combined with psychotherapy, occupational therapy and long-term consolidation treatment with Chinese medicine and proprietary Chinese medicine when the disease is in remission to improve the patient’s physical and psychological cognitive patterns, so as to achieve the purpose of preventing relapse. For relapse, patients should be given corresponding health education, urged to adhere to the medication, and any adverse reactions in the course of medication should be dealt with in a timely manner, so as to increase compliance and prevent the emergence of relapse.