The utility model discloses a liquid
medicine filter. A shell is provided with a
closed cavity, a liquid inlet and a liquid outlet, wherein the liquid inlet and the liquid outlet are communicated with the
closed cavity; the filter unit comprises a partition plate, a bubble puncture
assembly, a first filter membrane and a second filter membrane; the partition plate is blocked between the liquid inlet and the liquid outlet and divides the
closed cavity into a first filter cavity and a second filter cavity; a channel is formed in the partition plate; the bubble puncture
assembly comprises a blocking plate and a puncture needle; the blocking plate is blocked in the channel, and a plurality of via holes are distributed in the blocking plate; the puncture needles are inserted into the blocking plate and are distributed on the outer side of the periphery of the via hole; the first filtering membrane is intercepted between the channel and the liquid inlet; and the second filter membrane is intercepted between the channel and the liquid outlet. According to the liquid
medicine filter, the liquid
medicine filter is not easy to block in a mode that the two
layers of filter membranes are used for filtering in an echelon mode, the liquid medicine filtering effect is effectively improved, bubbles hidden in liquid medicine can be punctured, and the bubbles are not easy to hide in the liquid medicine, so that the liquid medicine conveying process is stable and smooth.