Coronary Slow Flow Phenomenon (CSFP) is defined as an angiographic findings which shows delayed opacification of contrast in distal coronary vessel in the absence of obstructive coronary artery disease.The occurrence of CSFP are often underrecognized. Research on the prevalence and characteristics of CSFP patients is needed to determine the population at risk and can perfom early detection of CSFP. This observational descriptive study was conducted using secondary data from the medical records of CSFP patients at RSUD Siti Fatimah Palembang for the period of January 2020 - June 2023, with total sampling method. This study found that the prevalence of CSFP cases at RSUD Siti Fatimah was 3.92% with the common age group being 56-65 years (31.57%), and 57.89% of patients were female. CSFP patients have a high BMI and 68.42% suffer from hypertension. All patients (100%) complained of chest pain during exertion. The ECG results of 88.89% of patients showed abnormal results, and slow flow was mostly found in the LAD (94.73%).