Hair loss every day need to be analyzed according to the actual situation of hair loss, if the daily amount of hair loss is not more than 100, then it is a normal physiological phenomenon; if more than 100 belongs to the pathological phenomenon, it may be androgenetic alopecia, resting hair loss, some internal diseases and so on. 1. Androgenetic alopecia: androgenetic alopecia is one of the common causes of massive hair loss, which will lead to progressive reduction of the patient’s hair, the cause of which is not yet clear, and may be related to heredity, androgens and other factors. 2. Resting alopecia: resting alopecia is caused by a variety of stress factors, normal resting hair loss, belonging to non-scarring alopecia, commonly found in postpartum women, chemotherapy patients. 3. Certain internal diseases: Certain internal diseases, such as hypothyroidism, dry syndrome, lupus erythematosus, serious physical and mental illnesses, etc., may cause a large amount of hair loss, and various reasons affect the normal growth of hair, thus causing abnormal hair loss. It is recommended that patients with large amounts of hair loss every day should go to the hospital in time for medical treatment, and standardize the treatment under the guidance of the doctor after a clear diagnosis.