We report the incidence of pressure sores in elderly patients operated on for femoral neck fracture. Pressure sores were found in 52 patients (47%). Most of the sores were in wemen aged 75 or more. A total of 81 pressure sores were seen in 52 patients and the commonest sites were sacrum and buttocks. Pressure sores developed preoperatively in 54% of the patients and in 46% within 1 week after operation and later. Relation was found between pressure sores and low albuminemia. The prevention of pressure sores in elderly patients with femoral neck fracture should be paid.