Severe pubic hair loss may be caused by physiological factors or pathological factors. It is recommended to consult dermatologists, endocrinologists or gynecologists and make improvements under the guidance of doctors. For older people, severe pubic hair loss is a physiological phenomenon and does not require special treatment. If the hair loss is severe, there are no other uncomfortable symptoms, and the parents also have severe loss of pubic hair, this situation may be due to genetic factors, and there is no special treatment. If the patient has severe loss of pubic hair, accompanied by localized intense itching, it may be due to parasites or fungal infections, and it is recommended that the patient go to the dermatology department; if the patient has severe loss of pubic hair, and there is also severe loss of hair in other parts of the body, it may be due to diseases such as generalized baldness and so on, and it is still recommended to go to the dermatology department; if the patient has severe loss of pubic hair, accompanied by abnormalities of the secondary sexual characteristics, it may be due to abnormalities of the level of androgen, and it is recommended to go to the Endocrinology, gynecology or dermatology for sex hormone examination. For patients with severe loss of pubic hair, it is recommended to go to a regular hospital for examination to clarify the cause and then take treatment measures.