A video distribution method, comprising: receiving, by a service capability exposure function, SCEF, a first request message sent by a third-party server, wherein the first request message comprises a multimedia broadcast multicast service, MBMS, capability negotiation parameter that is used for video distribution and that is requested by the third-party server; sending, by the SCEF, a second request message to a home subscriber server, HSS, according to the first request message, to request the HSS to expose an MBMS capability; sending, by the SCEF, a third request message to a broadcast multicast service center, BM-SC, when the SCEF receives a second response message returned by the HSS when the HSS determines to allow the exposure of the MBMS capability, to request to obtain first MBMS capability information exposed by the BM-SC; receiving, by the SCEF, a third response message sent by the BM-SC, wherein the third response message comprises the first MBMS capability information; and sending, by the SCEF, a first response message to the third-party server, wherein the first response message comprises the first MBMS capability information obtained from the BM-SC, so that the third-party server requests, according to the first MBMS capability information, the SCEF to start an MBMS broadcast, and distributes video content to user equipment, UE, characterized in that the first request message further comprises port information of the third-party server and media encoding information of the third-party server; the second request message comprises the MBMS capability negotiation parameter and a second MBMS capability information that is to be exposed and that is determined by the HSS according to subscription information between the HSS and an operator and the MBMS capability negotiation parameter, wherein MBMS pipe capability is represented in the MBMS capability negotiation parameter; the third request message comprises the port information of the third-party server and the media encoding information of the third-party server; and the third request message further comprises the MBMS capability negotiation parameter. receiving, by a service capability exposure function, SCEF, a first request message sent by a third-party server, wherein the first request message comprises a multimedia broadcast multicast service, MBMS, capability negotiation parameter that is used for video distribution and that is requested by the third-party server; sending, by the SCEF, a second request message to a home subscriber server, HSS, according to the first request message, to request the HSS to expose an MBMS capability; sending, by the SCEF, a third request message to a broadcast multicast service center, BM-SC, when the SCEF receives a second response message returned by the HSS when the HSS determines to allow the exposure of the MBMS capability, to request to obtain first MBMS capability information exposed by the BM-SC; receiving, by the SCEF, a third response message sent by the BM-SC, wherein the third response message comprises the first MBMS capability information; and sending, by the SCEF, a first response message to the third-party server, wherein the first response message comprises the first MBMS capability information obtained from the BM-SC, so that the third-party server requests, according to the first MBMS capability information, the SCEF to start an MBMS broadcast, and distributes video content to user equipment, UE, characterized in that the first request message further comprises port information of the third-party server and media encoding information of the third-party server; the second request message comprises the MBMS capability negotiation parameter and a second MBMS capability information that is to be exposed and that is determined by the HSS according to subscription information between the HSS and an operator and the MBMS capability negotiation parameter, wherein MBMS pipe capability is represented in the MBMS capability negotiation parameter; the third request message comprises the port information of the third-party server and the media encoding information of the third-party server; and the third request message further comprises the MBMS capability negotiation parameter.