It is normal to lose dozens of hairs when washing your hair, and it is usually fine if you lose no more than one hundred hairs when washing your hair. Hair growth there is a cycle of growth and aging, hair loss will grow new hair, so the average daily loss of 70-100 roots, are normal, do not need to worry too much. However, in daily life, it is still necessary to exercise moderately, avoid staying up late and excessive mental stress. In terms of diet, you should choose a high protein diet and eat more vegetables and fruits. In addition, we should also pay attention to the hygiene of the hair, for people who love oil, they should wash their hair diligently, otherwise the oil will clog the pores, which will also cause a lot of hair loss phenomenon. When observing the approximate number of roots of hair loss each time, you should also look for changes in thinning hair. If there is a long-term situation of serious hair loss and hair thinning phenomenon, or the appearance of the scalp is abnormal, you need to go to the hospital in a timely manner to consult the doctor, the appropriate medication.