A mobile terminal as well as a network connecting method and a network connecting apparatus thereof are disclosed in the present disclosure. The network connecting method comprises the following steps of: determining whether the network connecting mode is a dual-mode mode when the mobile terminal is connecting to a network; and if it is determined that the network connecting mode is the dual-mode mode, then setting the network connecting mode of the mobile terminal into a TD preference mode and connecting to the network. In the present disclosure, when the mobile phone is not in a 3G network or when the 3G signal is weak, the mobile phone that has been switched to a 2G network can re-initiate the network business without the need of firstly logging on the 3G network. This significantly reduces the network searching time, which is very convenient for the user.