Terminal cooperation communication method and user terminal

The embodiment of the invention discloses a terminal cooperation communication method comprising the steps that a beneficial user terminal broadcasts a cooperation request for target data cooperation transmission, and signal quality parameters of the target data returned by each supporting user terminal receiving the cooperation request are received; service quality increment of the target data is respectively calculated by the beneficial user terminal according to the corresponding signal quality parameters of each supporting user terminal; and the beneficial user terminal sends a control command for participating in cooperation or quitting from cooperation to the corresponding supporting user terminal according to the service quality increment so that the supporting user terminal is enabled to perform corresponding operation according to instruction of the control command. The invention also discloses a user terminal. With application of the terminal cooperation communication method, service quality of terminal business data can be effectively increased.