A service identification method, applied to a network device, wherein the service identification method comprises: receiving, by the network device, service packets and identifying service packets that belong to a same terminal; determining, by the network device, a service traffic feature based on session information of the terminal and packet information of the service packet, and determining, by the network device, a service type of a to-be-identified service based on the service traffic feature; characterized by: wherein determining, by the network device, a service type of a to-be-identified service based on the service traffic feature comprises: obtaining, by the network device, a traffic analysis model corresponding to a preset service type, wherein the traffic analysis model comprises a decision condition for the service traffic feature and a weight corresponding to the decision condition; wherein the service traffic feature comprises at least one of the following: session duration, a quantity of concurrent sessions, a traffic rate, traffic rate stability, a packet transmit/receive frequency, a quantity of packets, a packet length, and a round-trip time related to a request packet and a response packet; for the decision condition in the traffic analysis model, if the service traffic feature meets the decision condition, determining, by the network device, a score of the decision condition based on a first score corresponding to the decision condition; or if the service traffic feature does not meet the decision condition, determining, by the network device, a score of the decision condition based on a second score corresponding to the decision condition; calculating, by the network device, a corresponding total score of the traffic analysis model based on the weight and the score that correspond to the decision condition in the traffic analysis model; determining, by the network device, the service type of the to-be-identified service based on the corresponding total score of the traffic analysis model. receiving, by the network device, service packets and identifying service packets that belong to a same terminal; determining, by the network device, a service traffic feature based on session information of the terminal and packet information of the service packet, and determining, by the network device, a service type of a to-be-identified service based on the service traffic feature; characterized by: wherein determining, by the network device, a service type of a to-be-identified service based on the service traffic feature comprises: obtaining, by the network device, a traffic analysis model corresponding to a preset service type, wherein the traffic analysis model comprises a decision condition for the service traffic feature and a weight corresponding to the decision condition; wherein the service traffic feature comprises at least one of the following: session duration, a quantity of concurrent sessions, a traffic rate, traffic rate stability, a packet transmit/receive frequency, a quantity of packets, a packet length, and a round-trip time related to a request packet and a response packet; for the decision condition in the traffic analysis model, if the service traffic feature meets the decision condition, determining, by the network device, a score of the decision condition based on a first score corresponding to the decision condition; or if the service traffic feature does not meet the decision condition, determining, by the network device, a score of the decision condition based on a second score corresponding to the decision condition; calculating, by the network device, a corresponding total score of the traffic analysis model based on the weight and the score that correspond to the decision condition in the traffic analysis model; determining, by the network device, the service type of the to-be-identified service based on the corresponding total score of the traffic analysis model. obtaining, by the network device, a traffic analysis model corresponding to a preset service type, wherein the traffic analysis model comprises a decision condition for the service traffic feature and a weight corresponding to the decision condition; wherein the service traffic feature comprises at least one of the following: session duration, a quantity of concurrent sessions, a traffic rate, traffic rate stability, a packet transmit/receive frequency, a quantity of packets, a packet length, and a round-trip time related to a request packet and a response packet; for the decision condition in the traffic analysis model, if the service traffic feature meets the decision condition, determining, by the network device, a score of the decision condition based on a first score corresponding to the decision condition; or if the service traffic feature does not meet the decision condition, determining, by the network device, a score of the decision condition based on a second score corresponding to the decision condition; calculating, by the network device, a corresponding total score of the traffic analysis model based on the weight and the score that correspond to the decision condition in the traffic analysis model; determining, by the network device, the service type of the to-be-identified service based on the corresponding total score of the traffic analysis model.