Hair is getting less and less may be due to endocrine disorders, seborrheic alopecia, physical and chemical factors such as damage, etc. It is necessary to clarify the cause of the disease, and then carry out targeted treatment, such as the development of good habits, the use of finasteride, spironolactone and other drugs, hair transplantation and so on. 1. Endocrine disorders: long-term anxiety, insomnia, staying up late and so on may lead to endocrine disorders, and hair loss, dry hair and other symptoms. It is recommended to avoid staying up late, keep a happy mood, eat more fresh fruits and vegetables, and also eat more black sesame, Shouwu and other foods, and use levothyroxine, propylthiouracil and other drugs to treat the cause of the disease if necessary. 2. seborrheic alopecia: also called androgenic alopecia, patients manifested as thinning hair, scalp oil secretion and other symptoms, patients can use finasteride, spironolactone and other medications; can use minoxidil, selenium sulfide lotion and other topical medications; can also be hair transplantation. 3. Physical and chemical factors damage: frequent perming and dyeing of hair, shampooing after cleaning is not clean, the use of irritating cleaning products and other factors may lead to hair loss. It is recommended to avoid perming and dyeing hair as much as possible; use mild and non-irritating washing and care products to keep hair clean and dry; and avoid tying hair that is too tight. Hair loss may also be caused by other factors do not suggest that patients seek medical attention in a timely manner, in order to clarify the cause of the disease, standardized treatment under the guidance of the doctor, to avoid self-medication, in order to avoid delaying the condition.