Abstract: Embodiments of this application disclose a communication method, a client device, and a server device. The method includes: generating, a request packet and sending the request packet to a server device, where the request packet is used to indicate the server device to operate data of a data model; generating, a status query packet based on the request packet, where the status query packet includes status query information, and the status query information is used to request the server device to obtain a processing status in which the server device processes the request packet; sending, the status query packet to the server device; and receiving, a first packet that is sent by the server device based on the status query packet, where the first packet includes the processing status of the request packet.