Provides is reinforced H-shaped steel. The reinforced H-shaped steel is characterized by comprising a left wing plate, a web and a right wing plate, wherein the left wing plate is parallel to the right wing plate, two ends of the web are respectively connected in the middle portions of the left wing plate and the right wing plate in a vertical mode. Symmetrical protrusions are arranged on the upper surface and the lower surface of the web. According to the reinforced H-shaped steel, reinforced design is carried out on the web so that the web is thicker, and strength of the H-shaped steel is improved.