Washing additive automatic delivery device and drum washing machine

The present disclosure discloses a washing additive automatic delivery device and a drum washing machine. The drum washing machine comprises a box, a container for accommodating washing additive and a mounting part for holding the container, wherein the box includes a mounting base, the mounting part is arranged on the mounting base, and the container is arranged in the mounting part in a detachable manner. In the present disclosure, the mounting part is arranged on the mounting base, to save the upper space of a washing machine and increase the capacity of the container, moreover, the container is convenient for supplement of washing additive or the container can be taken out to supplement the washing additive.