Medical reagent needle

The utility model discloses a medical reagent needle, and belongs to the technical field of medical reagent needles. The device comprises a shell, a baffle is fixedly connected to the inner wall of the shell, a sliding groove is formed in the baffle, a first motor is fixedly connected to the bottom of the inner wall of the shell, a limiting block is fixedly connected to one side of the baffle, a sleeve is movably connected to the interior of the limiting block, and a threaded rod is movably connected to the interior of the sleeve. The top of the threaded rod is fixedly connected with a supporting plate, the supporting plate is movably connected with the sliding groove, and the end, away from the threaded rod, of the supporting plate extends to the other side of the baffle. According to the utility model, the induction coil is electrified by the alternating current power supply to heat the needle head, so that first-stage sterilization treatment is carried out, alcohol is sprayed to the needle head to carry ou