Thinning hair can be a symptom caused by physiological factors such as heredity, as well as diseases such as seborrheic alopecia, patchy baldness and resting hair loss. Patients can promote hair growth through general treatment, medication and surgery. 1. Physiological factors: the amount of hair is related to heredity. If the parents have less hair, the children’s hair will also be thinner. Hair thinning caused by hereditary factors is generally a normal phenomenon and does not require special treatment. 2. Seborrheic Alopecia: It is a kind of hair loss induced on the basis of excessive sebum overflow. Male patients can take Finasteride orally and apply 5% Minoxidil externally, while female patients can take Spironolactone orally on the basis of Minoxidil externally. Patients who are not satisfied with the effect of medication after 1 year can consider hair transplantation, low energy laser and other physical therapy methods on the basis of medication. 3. Resting hair loss: it refers to the change of hair follicle growth cycle caused by various factors, so that a certain proportion of hair in the anagen phase is rapidly transitioned to the resting phase, which leads to diffuse hair loss, and this disease may be related to endocrine, nutritional, mental, medication and other factors. The key to the treatment of resting hair loss is to find and remove the cause. For example, if hair thinning is caused by factors such as stress and anxiety, patients need to adjust their physical and emotional state and pay attention to rest. All of the above medications should be used under the guidance of a doctor, and patients should not use them on their own to avoid delays. Patients with thinning hair should go to the hospital in time, under the guidance of the doctor for regular treatment.