We experienced four cases of sporotrichosis including three lymphocutaneous type and one fixed cutaueous type. Case 1 was a 6-year old child, affected over the right chin. Case 2 was a 31-year old housewife, affected over the right forearm, Case 3 was a 53-year old housewife, affected over the right forearm and dorsum of right hand. Case 4 was a 19-year old student, affected over the left forearm. Histopathologically, chronic granulomatous inflammation with the neutrophilic ivfiltration and/or central suppuration were observed. Mycologically, typical colonies with moist, wrinkled and rnembraneous surface were cultured except in case 3. All patients were completly cured by oral administration of low dosage of potassium iodide(63. R-lllg) in a short period (50~86 days).