Alopecia areata is common cause of non-cicatrical alopecia that occurs as a patchy, confluent or diffuse pattern. In allopathic way of treatment they use glucocorticoid, intralesional injection,and systemic cyclosporine for management and for surgical treatment they use hair transplantation. This treatment suppresses the disease not cure the patient and complaint again reappear after some time. Homoeopathy has mentioned medicines for alopecia areata. A case reported was a male of 25 years of age suffering from sign of alopecia areata on the right side of chin. The homoeopathic medicine phosphorus 200c was prescribed on basis of case. Alopecia areata was reduced considererably within 1 months and it was reduced completely in 3 months, no recurrence of alopecia areata was observed thereafter. Photographs during follow up visits provided documentary evidence about the effectiveness of homoeopathic phosphorus 200c in alopecia areata.