If hormonal changes in the body cause more pubic hair to fall out, it is normal. If it is caused by anterior pituitary hypopituitarism, dry syndrome, and other diseases such as hypothyroidism, it is not normal to lose more pubic hair. As the body’s sex hormone secretion decreases with age, the hair follicles will gradually shrink, which will increase the loss of pubic hair, which is a normal physiological phenomenon. If in adolescence or adulthood, the performance of pubic hair loss, mostly considered to be anterior pituitary hypopituitarism, dry syndrome, pituitary prolactinoma, hypothyroidism, hypoadrenocorticism, menopausal syndrome and other diseases. In addition, patients taking antitumor drugs, antipsychotic drugs, there will be more pubic hair loss performance, these factors lead to more pubic hair loss is not a normal phenomenon. It is recommended that patients need to consult a doctor in time for the performance of pubic hair loss, if it is caused by physiological factors do not need to be treated. If it is caused by physiological factors, no treatment is needed. If it is caused by diseases, it is necessary to consult a doctor in time, and measures can be taken to treat the cause of the disease after clarification.