The invention discloses a push-up training device capable of changing the two-hand spacing and operation height. The push-up training device comprises a middle-end main base, a chest touch cushion, two sliding handles, two T-shaped tracks, two crash barriers, two side bases and two lap-joint frames; the middle-end main base comprises a front half middle-end main base body and a rear half middle-end main base body, and height position grooves are formed in the inner side of the middle-end main base and comprise three groove positions of different heights; the chest touch cushion is arranged atthe top of the middle-end main base; the T-shaped tracks are arranged at the left and right sides of the middle-end main base respectively and are in a T shape; the sliding handles are arranged on theT-shaped tracks at the left and right sides respectively; the crash barriers are arranged at the front ends of the left and right T-shaped tracks respectively; the side bases are arranged at the tailends of the left and right T-shaped tracks respectively; the lap-joint frames are arranged at the heads of the left and right T-shaped tracks respectively. The push-up training device is designed forchest muscle training, and can effectively train the upper chest muscle, the middle chest muscle, the lower chest muscle, the inner chest muscle and other chest muscle parts.