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To investigate the prevalence of male circumcision and the willingness to undergo male circumcision and influencing factors among MSM in Maanshan City, we conducted a cross-sectional study from June 2016 to December 2019. Respondent-driven sampling (RDS) was used to recruit participants. Influential factors of willingness to accept circumcision were identified by a multivariable logistic regression model. The multivariable logistic regression model revealed that five variables were independent influential factors for willingness to participate. The factors include that used condoms during last anal intercourse (OR = 1.87, 95% CI:1.03–3.41, P = 0.04), sex with female sex partners (OR = 0.499, 95% CI:0.298–0.860, P = 0.012, level of education (junior college: OR = 0.413, 95% CI:0.200–0.854, P = 0.017; bachelor's degree or higher: OR = 0.442, 95% CI:0.208–0.938, P = 0.033), condom use during oral sex in the last six months (OR = 4.20, 95% CI:1.47–12.0, P = 0.007) and level of knowledge of PrEP (OR = 5.09, 95% CI:1.39–18.7, P = 0.014). Given the willingness of MSM to accept circumcision was low in China, establishing a proper understanding of circumcision is essential if it is to be used as a strategy to prevent HIV infection among MSM. Therefore, publicity and education on the operation should be strengthened to increase the willingness to undergo male circumcision. [ABSTRACT FROM AUTHOR]