The present document provides a power control method, system, device and computer storage medium, wherein the method includes, when it is determined that a preset entry condition is met, a base station notifying a user equipment (UE) to disable a dedicated physical control channel (DPCCH) transmission during a deactivated hybrid automatic repeat request (HARQ) process (101); when it is determined that a preset exit condition is met, the base station notifying the UE to enable the DPCCH transmission (102) in a deactivated HARQ process.