The invention relates to the field of processing and manufacture of hand-held products, in particular to a device and method for manufacturing a hand-held product by using a mold. The device for manufacturing the hand-held product by using the mold comprises the mold, a conveyor belt, an air cylinder, a mold rod, a container and a liquid guide tube, wherein the mold is disposed at the upper end ofthe conveyor belt, manufacture of the hand-made product is completed through cooperation of the mold, air cylinder, mold rod, container and liquid guide tube, and the conveyor belt is used for conveying the formed hand-held product forward. Manufacture of the environment-friendly hand-held product is completed quickly and effectively by using a simple mechanical structure and simple operation steps.