The main reasons for hair loss all the time are the following: 1, hair growth requires the supply of protein and nutrients, if the usual paranoid diet can not supply the substances required for hair growth, it will lead to hair loss. 2, head fungal infection or suffering from head psoriasis, due to damage to the head hair follicles leading to necrosis of the hair follicles and cause hair loss. 3, excessive perming, dyeing hair, the use of poor quality shampoo on the hair caused damage and lead to The hair loss is caused by the genetic influence, the male head hair follicles have defects, after middle age hair follicles began to shrink and lead to the symptoms of hair loss. 5, long-term stay up late, alcohol abuse, mental stress will also appear hair loss symptoms. Now the medical level is developed, this situation can be solved, change their habits, to the hospital dermatology consultation, find the cause of the symptomatic treatment can be.