Literatures shows that heroin abstainers have abnormal emotional processing, but there has no conclusion for that whether their subliminal affective processing is abnormal or not. This study uses the subliminal affective priming paradigm to examine their subliminal affective processing capabilities. Results:(1) the response of the consistent trils was significantly the shortest in both groups; and the heroin abstainers have longer response time than control group (2) there was a positive bias in heroin abstainers. Conclusions: (1) There is a subliminal affective priming effect in heroin abstainers; (2) Due to the damage caused by long-term drug dependence, the subliminal affective processing is different from normal people. Tips：Enriches the theoretical basis for prevention of relapse in heroin abstainers.