A connecting structure of an outlet terminal and a jet regulator includes an outlet terminal and a jet regulator, the outlet terminal has an outlet passage, the jet regulator is detachably assembled in the outlet passage in the outlet direction, the jet regulator is disposed with a fixing shell portion, the inner wall of the outlet passage of the outlet terminal is concaved with a lock groove, the fixing shell portion is disposed with an assembly hole corresponding to the lock groove; the connecting structure comprises a lock portion and a retractable slide shaft driving mechanism with retracted and extended states, the lock portion is movably connected to the assembly hole and is movable between a lock position and a unlock position, the lock portion inserts to the lock groove in lock position and retracts to the assembly hole and leaves away from the lock groove in unlock position.