This report takes Chongqing Yubei District voluntary service system of “may-can-could” as an example，corresponding to the operational target mechanism，cultivating mechanism，incentive mechanism and evaluation mechanism. It also can fit in the operation of voluntary service，every subject of voluntary service，effective convergence in different stages and “closed-loop operation”. Finally，it briefly expounds the prospects for the development of the “may-can-could” voluntary service system and its great value for reference.