Account synchronization method, device and system

The invention discloses an account synchronization method, device and system, and belongs to the technical field of networks. The method comprises: in response to an account synchronization instruction for a first client, determining second equipment located in the same local area network as first equipment, and the second equipment being provided with a second client; respectively determining whether the first client and the second client are in an account login state or not; and if any one of the first client and the second client is in the account login state, performing account synchronization on the other client based on the account logged in by the client in the account login state. The first equipment can automatically perform account synchronization, so that the account synchronization efficiency and flexibility are improved. 本申请公开了一种账号同步方法、装置及系统，属于网络技术领域。所述方法包括：响应于针对第一客户端的账号同步指令，确定与第一设备位于同一局域网内的第二设备，该第二设备安装有第二客户端；分别确定第一客户端，以及第二客户端是否处于账号登录状态；若第一客户端和第二客户端中的任一客户端处于账号登录状态，基于处于账号登录状态的客户端所登录的账号对另一客户端进行账号同步