Message transmitting and receiving method and device

The invention discloses a message receiving and sending method and device, and belongs to the technical field of information processing, and the message receiving and sending method comprises the steps: receiving a first message sent by a second device; the first message comprises an acquisition request for target data stored in the first equipment; sending a second message for responding to the first message to the second device; receiving a third message which comes from the second equipment and is used for responding to the second message; sending a fourth message to the second device; the fourth message comprises the target data. According to the technical scheme, the message transceiving effect and the success rate of target data transmission are ensured. 本申请公开了一种消息收发方法及设备，属于信息处理技术领域，本申请实施例的消息收发方法包括：接收第二设备发送的第一消息；所述第一消息包括对存储于所述第一设备中的目标数据的获取请求；向所述第二设备发送用于响应所述第一消息的第二消息；接收来自所述第二设备的、用于响应所述第二消息的第三消息；向所述第二设备发送第四消息；所述第四消息包括所述目标数据。该技术方案确保了消息收发效果以及目标数据传输的成功率。