Objective: This study investigated the factors influencing, take out meal consumption among college students in Shanxi Province and explored the relationship between the frequency of take out meal consumption and BMI. Methods: A total of 1 631 college students from five universities in Shanxi Province were studied by means of a questionnaire and multi stage random sampling. Logistic regression was used to analyze the factors influencing college students take out meal consumption. The factors influencing overweight and obesity among college students were analyzed with binary Logistic regression. Results: A total of 1 456 college students had some takeout meal consumption. Gender average monthly cost of living, grade, and major were the factors influencing the frequency of college students take out meal consumption( χ 2=72.26, 242.89, 351.52, 222.35, P <0.01). The overall overweight and obesity rate among the college students were 12.3%, 19.2% in male students, and 6.6% in female students. After controlling for gender, binary Logistic regression showed that monthly cost of living, grade, major, and permanent residence influenced the frequency of college students weekly consumption of out of home meals, and this led to a higher the rate of overweight and obesity( P <0.05). Conclusion Take out meal consumption is relatively common among college students, and controlling its frequency could help to reduce the occurrence of overweight and obesity.