The present invention discloses a unmanned aerial vehicle wing and body connection apparatus, which comprises a main insert wing, an assistant insert wing, a first body frame plate, a second body frame plate, a main sleeve box and an assistant sleeve box, wherein the main insert wing and the assistant insert wing are fixed on the wing, the first body frame plate and the second body frame plate are fixed on the body, the main sleeve box is fixed on the first body frame plate, and the assistant sleeve box is fixed on the second body frame plate. The main sleeve box is provided with first grooves for main insert wing passing through, and the assistant sleeve box is provided with second grooves for assistant insert wing passing through. The main insert wing is inserted in the main sleeve box along the first grooves, and is fixed by using screws. The assistant insert wing is inserted in the assistant sleeve box along the second grooves, and is fixed by using screws. The connection apparatus of the present invention has characteristics of simple and reliable structure, light weight, easy assembly and disassembly, and easy processing.