Modern people’s fast-paced life, stressful work life, mental tension and lack of sleep have led to more and more people losing their hair. Hair loss not only affects one’s appearance and image, but also affects self-confidence and interactions, and there is an urgent need for effective methods to control and solve it. An effective solution needs to address a clear cause, which is not yet well understood and is not a single factor. There are many factors leading to hair loss, mainly three: 1, external physical and chemical factors such as: improper shampooing, transitional sunlight, radiation, etc.; 2, internal factors such as: genetics, androgen levels and receptors, immune and endocrine, improper nutrition; 3, mental factors such as: various causes of mental tension, lack of sleep. Above we analyzed the causes of hair loss, it is not difficult to understand the need for comprehensive prevention and treatment for a combination of causes: 1, avoid exposure to adverse physical and chemical factors: do not excessive sun exposure, choose neutral shampoo; 2, exclude and treat systemic diseases: Chinese medicine conditioning, dietary control; 3, reduce mental stress: more exercise can promote blood circulation, more rest and sleep; 4, drug treatment: hair care oral, minoxidil Hair transplantation: can improve appearance, reduce mental stress, enhance self-confidence and reduce continued hair loss. Carrying effective drugs during the transplantation process can promote the growth of transplanted and existing hairs.