Frequent staying up late is going to lose hair, hair loss at the same time to except some physiological and pathological reasons, physiological reasons are mostly seen in genetics, genetic factors play an important role in hair loss, due to genetic factors caused by seborrheic dermatitis, the patient hair loss is very obvious. If often stay up late to make the body’s endocrine metabolic axis damage, the most common is the thyroid function axis abnormalities and stress obesity, making the breakdown of fat abnormal, will produce hair loss. It is best not to stay up all night, minimize staying up all night, if it is not necessary for work is not recommended that patients stay up all night. Go to bed at ten o’clock every night and get up at about seven o’clock the next morning to develop good habits so that the body’s regulatory centers at all levels are regulated within the normal range. When the metabolism in the body is normal, the causes of hair loss will naturally be good. Some other pathological causes are seen in patients with hyperthyroidism, who are also prone to hair loss from time to time, and some androgen overproduction can also lead to hair loss, which can be differentially diagnosed when necessary.