1. A fault management method, comprising: a Machine to Machine (M2M) gateway receiving a fault management task sent by an M2M service platform; and the M2M gateway executing the fault management task; wherein, the fault management task comprises a fault management task identifier, a fault management object, a fault identifier and a fault treatment mode definition; wherein, the M2M gateway executing the fault management task comprises: the M2M Gateway querying a fault definition corresponding to the fault identifier; and the M2M gateway executing fault monitoring on the fault management object based on the fault definition obtained from the query.