In our study of 6 month of pityriasis versicolor patient in skin department of Mymensingh Medical College Hospital outdoor, most of the patient was of age 16-25 years (63.33%), 20% was of age 26-35 years and 16.67% was of 36-45 years. Age distribution among male patient maximum (66.67%) was of 16-25 years and among females the maximum 50% was also of 16-25 years. Mostly was male (80%) and 20% was female only 20% of the patient has got the positive family history whereas 80% with no family history of the disease, which indicates that there is no hereditary predilection. Of the patient 66.67% was unmarried and 33.33% was married. Late adolescence & early adult age groups are predominantly affected. Small children & elderly adults are infected only in unusual circumstances, such as prolonged occlusion or immunosuppresion. Prevalence reported to be as high as 50% in the humid, hot environment of Western Samoa & on low as 11.1% in the colder temperature of Sweden. About sex distribution of patients 20% were female. The study shows that majority of patients were male (20%).