Convenient cap drinking device

Provided is a convenient cap drinking device; a beverage container is installed inside a left rack on the left of the cap; a boiled water container is installed inside a right rack on the right of the cap. Both the left side and the right side of the cap are fixed with a lower hook and an upper hook; both the lower hook and the upper hook are provided with sewing holes; sewing threads are inserted in the sewing holes in order to respectively fix the lower hook and the upper hook on the left side and the right side of the cap; the left rack and the right rack are respectively installed on the bilateral hooks. The beverage container and the water container are respectively installed in the left rack and the right rack; two soft pipes are respectively inserted in the beverage container and the water container; the two soft pipes are synchronously arranged at the mouth; people can drink by opening the mouth and biting one of the soft pipes when people wants to drink. The convenient cap drinking device can help people whose two hands are not free, such as sportsman, traveler, driver, and assembly line worker, drinking conveniently, and also help people with two hands disabled conveniently drinking in situations of running, going out, and the like; the convenient cap drinking device is humanized, also convenient and practical.