Pubic hair, like hair, has a metabolic process in its follicles, so it will also be shed. If it is a small amount of shedding, it is a normal phenomenon, and there is no need to intervene clinically. If a large number of pubic hair loss, clinically it is likely to be caused by seborrheic dermatitis or inflammation of the root of the hair follicle, it is recommended to do a detailed examination to find out whether the local itchy, and in the root of the hair follicle whether there will be flakes easy to peel off phenomenon, that is, seborrheic dermatitis caused by hair loss. It is recommended to eat less greasy food, in the local can be coated with dakinin ointment or dermatitis ointment for treatment, and in the diet less spicy stimulating food.