On a Monday to Friday ward with 21 beds in 1 1/2 years 1149 patients underwent the following operations: appendectomy 23%, hernioplasty (femoral and inguinal) 20,5%, phimoses 14,4%, cryptorchidism 9,7%, anal fistula and fissure 7,8%, hydrocelectomy 2,9%, saphenectomy 2,7%, haemorrhoidectomy 2,9%, excisions of Dupuytren's contracture 1,0%, varicocelectomy 0,4% pacemaker implantations 2,7%, other operations and patients for diagnostics 8,5%. The standardised diagnostic procedure is performed during the prehospital time. On Monday all patients were operated upon and dismissed on Friday. The operative results are good. The in-patient time is 4,5 days. - The advantage of this system is: increase of scheduled in-patient surgery, short stay, prophylaxis of noso - comial infections, more efficiency.