Drip irrigation tape connecting device

The utility model discloses a drip irrigation tape connecting device which is characterized in that a connecting pipe (1) and a pulling buckle (2) are included, the pulling buckle (2) is arranged on the connecting pipe (1) in a buckling mode, a barb (4) and a plurality of annular protruding edge groups (3) are arranged on the outer wall of a pipe opening of the connecting pipe (1). The protruding heights of the protruding edges from the outer wall of the connecting pipe (1) are different. The protruding heights are increased first and then are decreased from the pipe opening. A protruding block (6) is arranged on the inner wall of the pulling buckle (2). The size of the protruding block (6) is right between the barb (4) and the highest protruding edge (3), namely the protruding block (6) can be in three-point contact with the protruding edges (3) between the barb (4), the highest protruding edge (3) and the barb (4). Compared with the prior art, the drip irrigation tape connecting device has the advantages of being convenient to operate, simple in structure, good in connecting sealing performance and the like.