Provided in an embodiment of the present disclosure are a mobile terminal and an antenna connection method. The mobile terminal includes a controllable switch, a network path, and an antenna. One end of the controllable switch is connected to the antenna, and the other end of the controllable switch is connected to the network path. The controllable switch is configured to control a connection between the network path and the antenna. The antenna is configured to receive and transmit signals, and includes a first antenna and a second antenna, and a radiation performance of the first antenna is higher than a radiation performance of the second antenna. The network path is configured to provide a network service for the mobile terminal, and includes a first network path and a second network path.