A load balance method, comprising: receiving, by a load balance node, a first service request packet from a service request end, wherein the first service request packet comprises address information of the service request end, address information of a to-be-processed load balance instance, and a media access control, MAC, address of the load balance node, and the to-be-processed load balance instance is a load balance instance configured on the load balance node; determining, by the load balance node, a to-be-processed service member based on the address information of the to-be-processed load balance instance, wherein the to-be-processed service member is configured to process the first service request packet; modifying, by the load balance node, the MAC address of the load balance node in the first service request packet to a MAC address of the to-be-processed service member, to obtain a second service request packet, wherein the second service request packet comprises the address information of the service request end, the address information of the to-be-processed load balance instance, and the MAC address of the to-be-processed service member; and sending, by the load balance node, the second service request packet to a computing node to which the to-be-processed service member belongs, wherein the address information of the service request end comprises an IP address and a port identifier, and the address information of a to-be-processed load balance instance comprises an IP address and a port identifier, characterized in that the determining, by the load balance node, a to-be-processed service member based on the address information of the to-be-processed load balance instance comprises: querying, by the load balance node based on the IP address and the port identifier of the to-be-processed load balance instance, a resource pool corresponding to the to-be-processed load balance instance; and determining, by the load balance node, the to-be-processed service member from the resource pool according to a load balance algorithm corresponding to the resource pool. receiving, by a load balance node, a first service request packet from a service request end, wherein the first service request packet comprises address information of the service request end, address information of a to-be-processed load balance instance, and a media access control, MAC, address of the load balance node, and the to-be-processed load balance instance is a load balance instance configured on the load balance node; determining, by the load balance node, a to-be-processed service member based on the address information of the to-be-processed load balance instance, wherein the to-be-processed service member is configured to process the first service request packet; modifying, by the load balance node, the MAC address of the load balance node in the first service request packet to a MAC address of the to-be-processed service member, to obtain a second service request packet, wherein the second service request packet comprises the address information of the service request end, the address information of the to-be-processed load balance instance, and the MAC address of the to-be-processed service member; and sending, by the load balance node, the second service request packet to a computing node to which the to-be-processed service member belongs, wherein the address information of the service request end comprises an IP address and a port identifier, and the address information of a to-be-processed load balance instance comprises an IP address and a port identifier, characterized in that the determining, by the load balance node, a to-be-processed service member based on the address information of the to-be-processed load balance instance comprises: querying, by the load balance node based on the IP address and the port identifier of the to-be-processed load balance instance, a resource pool corresponding to the to-be-processed load balance instance; and determining, by the load balance node, the to-be-processed service member from the resource pool according to a load balance algorithm corresponding to the resource pool. querying, by the load balance node based on the IP address and the port identifier of the to-be-processed load balance instance, a resource pool corresponding to the to-be-processed load balance instance; and determining, by the load balance node, the to-be-processed service member from the resource pool according to a load balance algorithm corresponding to the resource pool.