The embodiment of the invention discloses a micro service registration method and a micro service registration system, wherein one registration center is started on each node in a cluster, and the method comprises the following steps that: the registration center receives registration request information transmitted by a local micro service corresponding to the registration center, wherein a registration information carried by the registration request information comprises micro service access address information, service providing information and service consumption information; the registration center adds the registration information to a hash table of the registration center; and the registration center synchronizes the registration information of all the micro services in the local hash table to other registration centers except the registration center itself in the cluster. With the mode of starting one registration center on each node in the cluster provided by the embodiment of the invention, maintaining one highly available registration center is not necessary, and if one of the registration centers is crashed, other registration centers in the cluster cannot be affected, and risk of breakdown of system caused by crash of only one registration center is avoided effectively.