The utility model discloses a T-beam hogging moment rib tensioning and steel box beam flange plate weld joint coating operation table which comprises an operation table body, protective guards are arranged on any three side faces of the operation table body, installation pieces are symmetrically arranged in the operation table body, one end of each installation piece is connected with a fixing piece, and the fixing pieces are connected with the operation table body. The suspension part is connected with a transverse fixing part, a plurality of hanging rings are arranged on the transverse fixing part, steel wire ropes are arranged in the hanging rings, and one end of each steel wire rope is connected with the corresponding hanging ring; the other ends of the steel wire ropes are connected with T-beam reinforcements. According to the utility model, safe construction of T-beam hogging moment rib tensioning and steel box beam flange plate welding seam coating operation can be realized; theT-beam hogging moment rib tensioning and steel box beam flange plate welding seam coating structure is simple in structure and reusable, personal safety of operators is guaranteed to the maximum extent, meanwhile, integrity of the T-beam hogging moment rib tensioning and steel box beam flange plate welding seam coating structure is guaranteed, and meanwhile, due to the fact that the anti-skid pieces are arranged, the contact area with a T-beam at the joint is increased.