Usually, the lower body hair turns white mostly in female patients, and the symptoms are mostly related to physiological factors, i.e., patients will experience a slowdown in metabolism, a decrease in hormone levels, and an increase in cellular aging as they age. Local melanocytes gradually aging, resulting in a gradual reduction of melanin, can not supply to the hair, the body hair will become white situation. This is a normal part of the body’s metabolism, as is the gradual graying of hair, beard or sweat hair as the body ages. In the absence of other uncomfortable symptoms, patients do not need to worry excessively and are advised to maintain a stable and relaxed mood and look at aging correctly. If the patient is also accompanied by other uncomfortable symptoms, or relatively small age, the body does not enter the aging phase of the patient appears the symptoms, need to consider whether there are disease factors, common such as vitiligo, albinism, etc.: 1, vitiligo: the disease can be involved in any part, but exposure, friction and folds are common, such as face, neck, hands, wrists, forearm extension, abdomen, mouth lips, pubic and anal mucosa. It can lead to white patches on the skin and white hair on the body, which can be aggravated by most patients in late spring and early summer, sun exposure, fatigue and mental stress, and can be more stable or improve on its own in a few patients; 2. Albinism: Albinism can also lead to the symptoms, but the disease is usually hereditary and occurs congenitally and less frequently later in life, so if it is found later in life, it is not a priority.