A type of tattooing needle assembly, including a main shell 1, a needle component 3 and a needle aperture 4 within that main shell, whereby one end of the main shell connects with the needle aperture, the other end connecting with an end cap 5 having a through-hole a needle guide wall, the aforementioned main shell includes the main shell connecting end which connects with the needle aperture and the tattooing needle connecting end which connects to a tattooing unit six clamps 7 are located evenly around the external circumference on the round external surface of the aforementioned main shell connecting end interlocking with external clamp grooves 8 on the external circular surface of the needle aperture connecting end the internal surface of the main shell and the needle aperture connecting end being connected via a positioning groove 10 and a positioning lug 11.
