Hair loss in the fall, if the daily hair loss does not exceed 100, generally considered normal, if more than 100 to be alert to the occurrence of seborrheic alopecia and other diseases. Due to the scalp every day also occurs in the metabolism, will lead to cyclic hair loss, people in all seasons of the year will be hair loss, but because of the fall weather is drier, the temperature in the gradual decline, so the hair of the local blood flow will become slow, which affects the growth of hair, hair loss is more serious than other times. However, as long as there are no more than 100 strands per day, hair loss is normal. For the hair loss is obvious, more than 100 per day patients, to be alert to the occurrence of seborrheic alopecia and other diseases, it is recommended that they go to a regular hospital, clear cause of hair loss in the doctor’s guidance and active treatment.