Pipe joint

The invention provides a pipe joint. The pipe joint comprises an integrally-arranged metal body, wherein the metal body comprises an inner connecting section, a hard sealing tightening section and a multi-point tightening section in sequence from the inner end to the outer end in the axial direction; the inner connecting section comprises an inner connecting part and a pipe end blocking step, the hard sealing tightening section comprises a hard sealing tightening part and a first convex ring, the first convex ring is arranged on the inner wall of the hard sealing tightening section and is in an annular convex state from the inner wall of the hard sealing tightening section to the radial inner side of the hard sealing tightening section, and the multi-point tightening section comprises a multi-point tightening part and a circumferential groove; and the pipe joint comprises the metal body and a polytetrafluoroethylene ring arranged in the circumferential groove. According to the pipe joint, a soft and hard seal