Postpartum hair loss is mainly related to nutritional factors, mental factors, cleaning and care. 1. Nutritional factors: excessive blood loss during childbirth and lack of timely nutritional supplements in the postnatal diet, which in turn causes insufficient supply of hair, leading to hair loss. 2. Mental factors: Mothers are busy taking care of their babies, reversing their work and rest schedule, and are overworked, which may lead to depression and psychological disorders, and may cause postpartum hair loss. 3. Cleaning and nursing care: Postpartum hair washing is not timely, resulting in scalp hair follicles are blocked by the secretion of oil, easy to cause the phenomenon of hair loss. It is recommended that mothers strengthen the diet and nutrition, maintain a relaxed mood, proper cleaning of the hair, if the hair loss is too serious, need to go to the hospital in a timely manner, in accordance with the doctor’s instructions for standardized treatment.