The invention discloses a milk powder box used by being connected with a feeding bottle. The milk powder box comprises a box body, an insertion board and a connecting body. A first connecting part for being connected with a nipple in a matched manner is disposed on the upper portion of the box body, a second connecting part connected with a third connecting part disposed on the upper portion of the connecting body in a matched manner is disposed on the lower portion of the box body, the insertion board can be inserted at an insertion board opening formed in the second connecting part of the box body and can be pulled out, a fourth connecting part for being connected with the feeding bottle in a matched manner is disposed on the lower portion of the connecting body, and accordingly the milk powder box, the feeding bottle and the nipple can be connected. The milk powder box has the advantages that whether the milk powder in the milk powder box falls into the feeding bottle or not is controlled by the insertion and pulling out of the insertion board, simple milk powder brewing is achieved, milk powder brewing steps are simplified, and great convenience is brought to parents who need to feed babies late at night due to the fact that the to-be-brewed milk powder is completely isolated from the warm water in the feeding bottle, the milk powder is less prone to hardening, and the milk powder is completely brewed.
