Infusion device with filtering function

The utility model provides an infusion device with the function of filtering, which comprises a bottle plug puncturing device, a guide tube, a dropping tube and a dropping funnel, wherein the dropping tube is a filtering dropping tube with a filtering structure; the filtering dropping tube is installed at the upper end of the dropping funnel; and the upper end of the filtering dropping tube is communicated with the bottle plug puncturing device, or is communicated with the bottle plug puncturing device via the upper guide tube. Because the filtering dropping tube with a filtering structure is installed at the upper end of the dropping funnel, the traditional liquid medicine filter can be omitted and the infusion device with the function of filtering has simple structure, practical function and feasible technology; the utility model fundamentally solves the risk brought by air bobbles in the liquid medicine filter and the filtering dropping tube has the functions of filtering liquid medicines and realization o