In an open study, superficial and cutaneous Mycoses in janbazan, a total number of 273 janbaz confined to the dormitories in Tehran had gone under study. Among these, 104 had suspected superficial and cutaneous infections (38.09%). In total, 23 janbaz were infected with Tinea versicolor (22.2%), 13 case with pityrosporosis (12.5%) and 4 case with Erythrasma (3.8%). The most Common infections appeared to be in ages ranging from 25-29 Years of age (45%). In this respect, dominacy of disease were as follows: T.V. (57.5%), P.O. (32.5%) and Erythrasma (10%). The most prominent location of infection on the body surfaces, due to Tinea versicolor, were neck (31 %), chest (26%), back (26%), arms (8%), axilla (6%) and abdomine (3%). Most common sites being infected with p.a. was The head (100%). Infection with Erythrasma appeared to be mostly on groin (75%) and axilla region (25%). The fungal elements isolated from the media (150 case) were Malassieza in 12 case isolated from bedsheet, 11 case (92%) and physiotherapeutic bed 1 case (8%) persent.