Objective To explore the influencing factors for depressive symptoms in adolescents in China,so as to pro-vide insights into promoting mental health of adolescents.Methods The 2020 follow-up survey data of China Family Panel Studies were collected,including demographic information,lifestyle,family factors and academic factors of adoles-cents aged 10-19 years.Depressive symptoms were evaluated using the 8-item Center for Epidemiological Studies De-pression Scale.The influencing factors for depressive symptoms in adolescents were analyzed using a multivariable logis-tic regression model.Results A total of 2 777 adolescents were analyzed,including 1 470 males(52.93%)and 1 307 females(47.07%).There were 1 186 adolescents(42.71%)from urban areas and 1 591 adolescents(57.29%)from rural areas,106 smokers(3.82%),and 459 adolescents(16.53%)with depressive symptoms.Multivariable logistic regression analysis showed that academic stress(OR=1.268,95%CI:1.151-1.396),poor self-rated health(OR=1.255,95%CI:1.116-1.411),smoking(OR=1.901,95%CI:1.127-3.207),low trust in parents(OR=0.780,95%CI:0.729-0.835)and large fami-ly size(OR=1.095,95%CI:1.035-1.158)were associated with an increased risk of depressive symptoms in adolescents.Conclusion The influencing factors for depressive symptoms in adolescents were academic stress,self-rated health,smoking,trust in parents and family size.