This article reviewed the recent guidelines on prophylactic use of antibiotics. In general, prophylactic antibiotics are recommended to be used in all the clean-contaminated surgeries. In addition, the drug of choice, time of the first dose and duration of therapy were suggested in the guidelines. If cases given therapeutically in stead of prophylactic, not only medical resources are wasted, resistant strain of the bacteria may be induced. It is recommended that medication use evaluation system should be developed in the hospital setting, and continuous quality improvement strategy be implemented in the prophylactic use of antibiotics in several surgical procedures in order to improve the quality of medical care process and outcomes.