Leg hair shedding becomes less may be due to natural renewal, inflammation, trauma, hormone secretion abnormality, baldness and other factors. 1. Natural renewal: long-term walking, pants friction, will lead to leg hair shedding, which is a normal phenomenon, do not need to be overly nervous. 2. Inflammation: When inflammation exists in the skin of the legs, repeated scratching due to itching will lead to abnormal function of the hair follicles, resulting in the loss of leg hair. 3. Trauma: localized skin trauma may damage local hair follicles, resulting in scarring hair loss. 4. Hormone secretion abnormality: reduced secretion of androgen may result in less body hair, less beard, and may also result in less leg hair and sparse pubic hair. 5. Baldness: commonly known as “ghost shaving”, often occurring in the head, but can also occur in any hair parts, called Pu baldness, manifested as hair, eyebrows, eyelashes, armpit hair, pubic hair and the whole body Cui hair all fall off. Leg hair loss may also be due to other factors, it is recommended that patients seek medical attention in a timely manner, under the guidance of the doctor for relevant examinations, in order to clarify the diagnosis, symptomatic treatment.