Introduction: Intensive care after gastrointestinal surgery is one of the factors that play an important role in caring patients with gastrointestinal disorders. Long treatment will have an impact on mortality and high treatment costs. The length of treatment can be caused by several factors, namely external factors and internal factors. External factors are nutritional status, type of surgery, and type of anesthesia. Meanwhile, internal factors are age, gender, amount of bleeding, incidence of infection and underlying disease. Objective: Determine the factors associated with the length of intensive care in post-lower gastrointestinal tract surgery patients at Ibnu Sina YW UMI Makassar Hospital. Method: Observational analysis with a cross-sectional method uses secondary data from the medical records data of patients treated in 2021 and 2022. Results: From the data of 60 patients who met the inclusion criteria with patient descriptions: 56.6% adult age, 66.6% male gender, 83.3% type of operation found to be elective, 56.6% type of anesthesia without epidural, amount of bleeding <30% EBV was 83.3%, the incidence of infection was found to be 75%, good nutrition was 51.6%, the underlying disease was found to be malignant in 31.6%. Factors that influence the length of hospitalization are the amount of bleeding >30% EBV (p <0.001) and malnutrition nutritional status (p = 0.037). Conclusion: Factors associated with the length of intensive care in post-lower gastrointestinal tract surgery patients at Ibnu Sina YW UMI Makassar Hospital are the amount of bleeding >30% EBV and malnutrition nutritional status.