Abstract: Oral and pharyngeal secretion from 552 in-patients with dermatoses was cultured for fungous growth,72 cases showed a positive result.Among them,64 cases were in the group of 226 cases being treated with corticosteroids,immunosuppressants or antibiotics(28.3%),and only 8 cases were is the group of 326 cases with no treatment of corticosteroids,immunosuppressants or aatibiotics(2.5%).There was a significant difference between these two groups statistically.