The reason for this is to analyze the reason for the beard to adopt countermeasures. First of all, the beard is likely to be related to androgens, and androgen production is too low will make the beard thin. The reason for the low androgen level should be checked under the guidance of a doctor. Second, beard thinning may be caused by skin diseases, such as dermatitis, bacterial infection, etc., will cause some damage to the pores appear beard thinning symptoms. You should go to the hospital dermatology check skin, with the appropriate anti-inflammatory drugs for treatment, usually pay more attention to skin hygiene. Finally, beard scarcity may be caused by genetic factors, because the father beard scarcity, according to the genetic inheritance to the offspring and make the offspring also appear too little beard, should go to the hospital for examination and under the guidance of the doctor medication.