The application discloses tube seat mounting. This tube seat mounting includes fixing part, fixing part encircles the crossing position at groove form pole and tubular rod, set up on the groove form pole fluted, its characterized in that, fixing part includes the clamping part, compresses tightly portion and the curved portion of colluding, the clamping part presss from both sides tightly the lateral wall of recess, the portion of compressing tightly compresses tightly tubular rod's outer wall, the curved portion of colluding tightly the edge of recess. Tubular rod and groove form pole had been solved in this application fixed knot constructs that the steadiness is poor, hard technical problem during the installation fee.