The invention discloses a radio frequency switch, comprising signal transmission modules, wherein at least two signal transmission modules are arranged; each signal transmission module comprises a logic control module, a serial branch module, a parallel branch module, a public port, a grounding port and a branch port; the serial branch module is arranged between the public port and the branch port; the parallel branch module is arranged between the grounding port and the branch port; the pubic port of each signal transmission module is connected; the branch port of each signal transmission module is connected. The radio frequency switch also comprises a logic control module which is connected with the serial branch modules and the parallel branch modules. The invention also discloses a control method for the radio frequency switch.