Hair loss is usually categorized into physiological and pathological, if the number of hair loss is 100 in 1 day, it is a normal phenomenon, generally no need for treatment, more rest, improve lifestyle can be. Secondly, severe hair loss may be caused by androgenetic alopecia, ringworm, folliculitis and other diseases, which can be improved by general treatment and medication. 1. Androgenetic alopecia: For patients with androgenetic alopecia, topical minoxidil can be used as prescribed by the doctor to promote hair growth. Selenium disulfide, ketoconazole and other antifungal lotions can be used externally, which have the effect of inhibiting oil. If necessary, oral finasteride tablets and other drugs. 2. ringworm of the head: ringworm of the head may be triggered by hair loss, patients need to pay attention to daily personal hygiene, pillowcase, comb and other items should be timely disinfection. Patients can follow the doctor’s instructions oral itraconazole, terbinafine and other drugs, with antibacterial and antiseptic effect. Can also be applied locally antifungal treatment, such as clotrimazole, miconazole, etc., can reduce the rate of bacteria. 3. Folliculitis: folliculitis may also lead to hair loss, daily attention to local hygiene, can not scratch the affected area. For bacterial infection, patients can follow the doctor’s instructions to use antibiotic drugs, such as mupirocin ointment, fusidic acid cream, etc., with antibacterial effect. There are many reasons for hair loss, if it is caused by disease, it is recommended that the patient go to the hospital, after clarifying the cause of the disease standardized treatment.