Airplane wing

The invention relates to the technical field relevant to aviation structures and particularly discloses an airplane wing which comprises a left wing body, a right wing body and a butt joint assembly. A left wing box of the left wing body comprises a left wing single curved surface part and a left wing double curved surface part, wherein the left wing single curved surface part and the left wing double curved surface part are formed integrally. A right wing box comprises a right wing single curved surface part and a right wing double curved surface part, wherein the right wing single curved surface part and the right wing double curved surface part are formed integrally. The left wing single curved surface part and the right wing single curved surface part stretch into the middle of a fuselage from the two sides of the fuselage correspondingly and are connected through the butt joint assembly. According to the airplane wing, an original structure that a left wing body and a right wing body are in butt joint wi