Needle head protection assembly, anti-acupuncture infusion needle and infusion apparatus

The utility model provides a needle head protection assembly, an anti-acupuncture infusion needle and an infusion apparatus, and belongs to the field of medical instruments. The needle head protectionassembly comprises a needle, a shell and an elastic piece. Wherein the elastic piece is mounted in the mounting cavity; the elastic piece is sleeved on the needle head; the needle has a first motionstate and a second motion state under the elastic action of the elastic piece; in the first motion state, the needle handle moves along the guide groove and is accommodated in the first limiting groove; the needle head can be arranged in the puncture opening in a penetrating mode, the second movement state is that the needle handle is separated from the first limiting groove, moves along the guidegroove and enables the needle head to be contained in the installation cavity, and therefore the needle head can be placed in the installation cavity after being used, exposure of the used needle head is avoided, the needle he