Background and objective: Social communication skills are one of the capabilities of the police. The aim of this study was to identify the factors affecting the social communication skills of students of the Police University, including individual and environmental factors, student rules and regulations, interactions (commanders-professors) and educational factors.Methods: In terms of its objectives this study is of applied research type and in terms of method it is considered as descriptive-inferential survey method. The statistical population includes male and female associate and bachelor students in the fields of traffic, intelligence and criminal investigations, and law enforcement with a sample size of 300 individuals through Cochran and cluster sampling in relation to the population of colleges and educational level. The samples were randomly selected. Data collection instruments were standard communication skills questionnaire and a researcher-made questionnaire whose validity and internal correlation were calculated by content validity and the reliability was obtained using Cronbach's alpha as 0.9.Findings: Communication skills of 7% of students are low, 51.3% are moderate (with difficulty) and 48% are at the desired level. Based on the standardized R test value, and beta coefficient and significance level with 95% confidence, 0.615 of the changes of the dependent variable are explained by independent variables.Results: The effect of variables is in order of academic interactions, rules and regulations, educational factors, environmental factors and personality factors. This is a result of how academic laws and regulations, academic interactions, and educational factors at university level.