A terminal device (100, 200) for group communication, comprising: a first receiving module (110, 210), the first receiving module (110, 210) being configured to receive a first message sent by a network device, wherein the first message comprises at least one group service identifier, and one group service identifier corresponds to one group service; and a second receiving module (120, 220), the second receiving module (120, 220) being configured to receive, according to the first message received by the first receiving module, a first group service corresponding to a first group service identifier of the terminal device, wherein the first group service identifier of the terminal device is a group service identifier of interest to or a group service identifier subscribed to by the terminal device; wherein the at least one group service identifier corresponds to at least one group service to be transmitted by the network device; wherein only when the at least one group service identifier comprises the first group service identifier of the terminal device, the second receiving module (120, 220) is configured to receive the first group service according to the first message received by the first receiving module; characterized in that the terminal device comprises: a third receiving module, the third receiving module being configured to receive configuration information of the first message, to instruct the first receiving module (110, 210) to receive the first message according to the configuration information of the first message, wherein the configuration information of the first message received by the third receiving module comprises at least one of the following information: a time pattern that is used by the network device to send the first message and a modulation and coding scheme of the first message. a first receiving module (110, 210), the first receiving module (110, 210) being configured to receive a first message sent by a network device, wherein the first message comprises at least one group service identifier, and one group service identifier corresponds to one group service; and a second receiving module (120, 220), the second receiving module (120, 220) being configured to receive, according to the first message received by the first receiving module, a first group service corresponding to a first group service identifier of the terminal device, wherein the first group service identifier of the terminal device is a group service identifier of interest to or a group service identifier subscribed to by the terminal device; wherein the at least one group service identifier corresponds to at least one group service to be transmitted by the network device; wherein only when the at least one group service identifier comprises the first group service identifier of the terminal device, the second receiving module (120, 220) is configured to receive the first group service according to the first message received by the first receiving module; characterized in that the terminal device comprises: a third receiving module, the third receiving module being configured to receive configuration information of the first message, to instruct the first receiving module (110, 210) to receive the first message according to the configuration information of the first message, wherein the configuration information of the first message received by the third receiving module comprises at least one of the following information: a time pattern that is used by the network device to send the first message and a modulation and coding scheme of the first message. a third receiving module, the third receiving module being configured to receive configuration information of the first message, to instruct the first receiving module (110, 210) to receive the first message according to the configuration information of the first message, wherein the configuration information of the first message received by the third receiving module comprises at least one of the following information: a time pattern that is used by the network device to send the first message and a modulation and coding scheme of the first message.