Hair every day in the growth phase, regression, resting phase of the life cycle, the general hair every day washing hair off 60 to 70 if the number of hair basically unchanged, is normal. As hair has a certain life cycle, normal daily shedding and newborn. In general, it is normal to lose up to 100 strands of hair per day and the density of the hair remains unchanged. Therefore, it may be normal to lose 60 to 70 strands of hair every day when washing hair. If the hair loss is too much, resulting in hair thinning, it may be related to pathologic alopecia, such as seborrheic alopecia, baldness and so on. In addition, hair growth is affected by a variety of factors such as genetics, health, nutrition and hormone levels. When abnormal hair loss occurs, the cause can be clarified under the guidance of a doctor for active treatment.