The shovel of the present invention includes a main body and a shaft. The main body has a first face and a second face wherein the first face has a receiving portion. The main body further forms a positioning tube having two opening. One opening of the positioning tube faces toward the second face of the main body. The shaft is slidably inserted through the positioning tube and is able to be positioned with the positioning tube. The shaft is curved corresponding to the second face of the main body. The shaft is able to be slid to be received behind the second face of the main body, and the shaft provides support to the second face. Thereby, the shovel of the present invention is length-adjustable and has better structure strength.
