The bucket pump is a portable hand pump, mainly consisting of two components: a motor and a pump tube. By installing the bucket pump on the upper opening of the container, it is used for efficient and safe transportation of various acids, bases, solvents, additives, auxiliaries, oils and other liquid media contained in barrels or containers. It is powered by an electric motor or an air motor to achieve rapid transportation, dispensing, measurement, emptying and stirring of the liquid media in barrel containers.