Wearable breast pump convenient to clean

The wearable breast pump convenient to clean comprises a horn cover, a milk storage bowl and a negative pressure generation assembly, a connecting opening is formed in the bottom of the milk storage bowl, a butterfly-shaped membrane is integrally formed in the connecting opening, the horn cover is detachably connected with the bowl opening of the milk storage bowl in an airtight mode, and the negative pressure generation assembly is connected with the horn cover in an airtight mode. The back of the horn cover is in airtight connection with the inner side wall of the connecting opening, and a nipple containing channel in the horn cover is communicated with the butterfly-shaped diaphragm. Compared with the prior art, due to the design that the sealing ring, the butterfly-shaped membrane and the milk storage bowl are integrally formed, the situation that the hands make contact with the sealing ring and the butterfly-shaped membrane frequently in the process that the breast pump is reassembled after being cleaned