Objective To investigate the prevalence and associated factors of sexting among college students in Jiangxi Prov-ince,so as to provide a reference for sexual education interventions in colleges.Methods A combined method of random cluster sampling and convenience sampling was used to conduct an anonymous questionnaire survey on 13 042 students from 14 colleges in Jiangxi Province in October 2023.A self-designed questionnaire was used to collect data on sexting among students,and Chi-square tests and binary Logistic regression analysis were conducted to explore the factors associated with sexting among college students in Jiangxi Province.Results The reported rate of sexting among college students in Jiangxi Province was 11.5%.Binary Logistic re-gression analysis showed that female students,non-only children,and those who do not view pornographic novels/videos/films had a lower likelihood of engaging in sexting(OR=0.72,0.83,0.23,P<0.05).Students who identified as homosexual,lacked knowl-edge about AIDS,did not mind premarital sex,and had indifferent attitudes towards multiple sexual partners were more likely to en-gage in sexting(OR=1.66,1.53,1.25,2.26,1.78,P<0.05).Students who smoke,drink,and report a history of high-risk sexual behavior were more likely to engage in sexting behavior(OR=1.38-12.20,P<0.05);night owls showed a negative correlation with sexting behavior(OR=0.24-0.58,P<0.05).Conclusions A significant proportion of college students in Jiangxi Province engage in sexting.It is recommended that colleges and universities strengthen their sexual education efforts and focus on cultivating internet literacy to promote the physical and mental health development of college students.