The utility model discloses a grout sleeve connection structure, including the grout sleeve body, be equipped with into thick liquid hole and out grouting holes on the grout sleeve body, enter to starch the below of hole at out grouting holes, out grouting holes's opening cross -section is greater than inlet cross -section, it is equipped with a ball sealer of thick liquid sleeve pipe shutoff to go out thick liquid sheathed tube opening part, out grouting holes is connected with out the thick liquid sleeve pipe, it is equipped with drive arrangement to go out thick liquid sheathed tube one end, be equipped with the spring between drive arrangement's piston rod and the ball sealer, be equipped with the discharge gate on the circumference lateral wall of play thick liquid sleeve pipe below,it has into thick liquid sleeve pipe to advance to starch the jogged joint, it is equipped with a pressure sensor who is used for measuring inflow pressure on the sleeve pipe to advance to starch, theutility model provides a can improve the joint strength's of reinforcing bar grout sleeve connection structure.