Safe infusion apparatus capable of randomly placing normal infusion

The invention discloses a safe infusion apparatus capable of randomly placing normal infusion, and belongs to the technical field of medical apparatuses. A fixing case formed by defining a top plate and side plates is additionally arranged inside a dripping cup; the lower end surface of the fixing case is in tight contact and fixedly connected with the dripping cup; a through hole extending to the bottom is formed in the side wall of the fixing case; a filtering membrane is additionally arranged in the position of the through hole; a cavity defined by the filtering membrane and the fixing case is a medicine liquid filtering cavity; a cavity formed between the medicine liquid filtering cavity and the dripping cup is a liquid inlet cavity; a medicine liquid puncture needle is communicated with the liquid inlet cavity; an outlet of the dripping cup is communicated with the medicine liquid filtering cavity. The end surface of one end, connected with the dripping cup, of a liquid outlet pipe is flushed with the up