The present invention relates to the field of sanitary and bathing equipment, and particularly to a shower door frame and a shower door used in a shower room. The shower door frame comprises a track extending in a horizontal direction and a side frame vertically arranged relative to the track, wherein a fixture is fixed at an end of the track, and a plug passing through the side frame is provided at an outer side of the fixture and is provided with an exit stopper; and a locking assembly is provided to the side frame, the locking assembly comprising a fixing base fixed on the side frame and a tensioning member connected to the fixing base via a connecting rod, the tensioning member comprising a locking portion snap-fitted to the exit stopper. The shower door comprises the above shower door frame and a glass panel positioned within the shower door frame.