A paddle is disclose, the paddle comprises a blade, an intensified structure and a handle. The blade comprises a body and a tubular section extending from the body. The body is provided with a reception hollow communicated with the interior of the tubular section. The intensified structure comprises a joint section and an intensified section, where one end of the joint section engages fixedly in the inside of the tubular section of the blade. The handle is joined to the other end of the joint section. The paddle of this invention exploits the intensified structure to heighten the structural strength of the blade, which substantially decreases the possibility of breakage of the blade due to the propelling force.