An apparatus for transmitting data in a wireless network, comprising: a processing module, configured to receive a status data packet sent by an upper layer, which is an application layer of the apparatus, wherein the status data packet comprises status information of a transmit end in a current status; and further configured to: discard, by the transmit end when there is a cached previous-status data packet, the previous-status data packet and cache the status data packet, wherein the previous-status data packet comprises status information of the transmit end in a previous status; wherein the transmit end is the apparatus for transmitting data in a wireless network; and a sending module, configured to obtain the status data packet from the processing module and send the status data packet to a receive end when obtaining a sending resource for sending the status data packet, wherein the previous-status data packet and the status data packet have a same feature; wherein the receive end is an apparatus for receiving data in a wireless network; wherein the feature of the status data packet comprises the following parameters: a data flow identifier of the status data packet, a type of the status data packet, an event identifier corresponding to the status data packet, and a transmit end action identifier; wherein the processing module is further configured to: before discarding, by the transmit end when there is the cached previous-status data packet, the previous-status data packet and caching the status data packet, obtain feature configuration information; and bind the type of the status data packet to a corresponding logical channel according to the feature configuration information, wherein the feature configuration information is used to indicate a correspondence between a feature of the status data packet and a logical channel. a processing module, configured to receive a status data packet sent by an upper layer, which is an application layer of the apparatus, wherein the status data packet comprises status information of a transmit end in a current status; and further configured to: discard, by the transmit end when there is a cached previous-status data packet, the previous-status data packet and cache the status data packet, wherein the previous-status data packet comprises status information of the transmit end in a previous status; wherein the transmit end is the apparatus for transmitting data in a wireless network; and a sending module, configured to obtain the status data packet from the processing module and send the status data packet to a receive end when obtaining a sending resource for sending the status data packet, wherein the previous-status data packet and the status data packet have a same feature; wherein the receive end is an apparatus for receiving data in a wireless network; wherein the feature of the status data packet comprises the following parameters: a data flow identifier of the status data packet, a type of the status data packet, an event identifier corresponding to the status data packet, and a transmit end action identifier; wherein the processing module is further configured to: before discarding, by the transmit end when there is the cached previous-status data packet, the previous-status data packet and caching the status data packet, obtain feature configuration information; and bind the type of the status data packet to a corresponding logical channel according to the feature configuration information, wherein the feature configuration information is used to indicate a correspondence between a feature of the status data packet and a logical channel.