Background: Surgical site infections (SSI) is an infection that occurs in patients after surgery. SSI incidence of hospital in Indonesia as much as 55.1%. Factors SSI incidence of patients eg diabetes, obesity, weight and location factors malnutrsi injury while operating factors such as their length as well as the operation of the surgical procedure. surgical wound infection when the wound secrete pus as well as experiencing the signs of inflammation. . Purpose: Knowing the SSI figures in the Surgical Ward PKU Muhammadiyah Hospital in Bantul. Methods: Observational descriptive quantitative. The sampling technique used was accidental sampling method. Total population in this study population and 44 288 respondents as samples. Result: On average the respondents age 36-45 years (36%), male gender (72%). A total of 26 respondents have comorbidities include diabetes mellitus (27%), hypertension (18%) and stroke (13%). Respondents who get less operating time of 2 hours at 25 respondents (56%). Mild infections were 20 patients (45%), infections were as many as 14 patients (31%), not infection of 7 (15%) and severe infection of 3 patients (6%). Conclusion: Mild infections were 20 patients, infections were as many as 14 patients, not infection of 7 and severe infection of 3 patients