Hair loss is related to stress, autoimmunity, disease, excessive hair care and other factors, to prevent hair loss can start from the correct maintenance of hair, diet, psychology, active treatment of disease and other aspects. 1. Proper hair care: excessive hair care is likely to increase hair loss, usually as little as possible hair coloring, perm, do not tie your hair too tight. Maintain regular shampooing habits, choose the right shampoo and conditioner for your hair, and rinse your hair after washing. 2. Diet: poor nutrition will affect hair growth and reduce immunity, usually three meals a day, pay attention to a balanced diet, more intake of fresh vegetables, fruits, meats, proteins, etc., to ensure that the hair and the body has enough nutritional support. 3. Psychological: mental stress, work pressure and other easy to bring hair loss problems, usually try to relax the mind, do not let themselves in anxiety, restlessness, tension and other bad moods, and regularly de-stress. 4. Active treatment of diseases: baldness, folliculitis, infection, etc. can cause hair loss, when you find yourself in the presence of related diseases, you need timely treatment. Preventing hair loss requires persistence, and when you find yourself with hair loss, you need to go to a regular hospital in time.