A communication method, comprising: receiving, by a network device of a first communications standard, a suspension notification message sent by a terminal device, wherein the suspension notification message is used to notify the network device that the terminal device is to leave a network of the first communications standard and to listen to a network of a second communications standard, the network of the first communications standard carrying data services, and the network of the second communications standard carrying voice services; suspending, by the network device according to the suspension notification message, sending scheduling information to the terminal device, and suspending detecting measurement information sent by the terminal device; and characterized in that before the receiving, by the network device of the first communications standard, a suspension notification message sent by the terminal device, the method further comprises: sending, by the network device, indication information to the terminal device, wherein the indication information is used to indicate that the network device has a capability of recognizing a suspension notification message reported by any terminal device before the any terminal device leaves the network of the first communications standard; and receiving, by the network device, feedback information sent by the terminal device based on the indication information, wherein the feedback information is used to feed back that the terminal device has a capability of reporting a suspension notification message to the network device before leaving the network of the first communications standard. receiving, by a network device of a first communications standard, a suspension notification message sent by a terminal device, wherein the suspension notification message is used to notify the network device that the terminal device is to leave a network of the first communications standard and to listen to a network of a second communications standard, the network of the first communications standard carrying data services, and the network of the second communications standard carrying voice services; suspending, by the network device according to the suspension notification message, sending scheduling information to the terminal device, and suspending detecting measurement information sent by the terminal device; and characterized in that before the receiving, by the network device of the first communications standard, a suspension notification message sent by the terminal device, the method further comprises: sending, by the network device, indication information to the terminal device, wherein the indication information is used to indicate that the network device has a capability of recognizing a suspension notification message reported by any terminal device before the any terminal device leaves the network of the first communications standard; and receiving, by the network device, feedback information sent by the terminal device based on the indication information, wherein the feedback information is used to feed back that the terminal device has a capability of reporting a suspension notification message to the network device before leaving the network of the first communications standard. sending, by the network device, indication information to the terminal device, wherein the indication information is used to indicate that the network device has a capability of recognizing a suspension notification message reported by any terminal device before the any terminal device leaves the network of the first communications standard; and receiving, by the network device, feedback information sent by the terminal device based on the indication information, wherein the feedback information is used to feed back that the terminal device has a capability of reporting a suspension notification message to the network device before leaving the network of the first communications standard.