To provide an adhesive tape which anyone can easily and reliably perform omega sticking a catheter to the skin with good reproducibility.SOLUTION: This adhesive tape for catheter fixing has a shape in which at least one side end portion is corrugated and the wide portion and the narrow portion are periodically repeated. Here, in the case where only one side end portion is corrugated, the other side end portion is linear, and when both side end portions are corrugated, symmetrical with respect to the longitudinal central axis Become.(FIG.【課題】カテーテルを皮膚に固定させるオメガ貼りを、だれでも簡便に確実に再現性良く行うことができる粘着テープの提供。【解決手段】少なくとも片方の側端部が波型で、幅広部と幅狭部を周期的に繰り返す形状を有するカテーテル固定用粘着テープとする。ここで、片方の側端部のみが波型の場合は、もう一方の側端部が直線状であり、両方の側端部ともに波型の場合は、長さ方向中心軸に対し左右対称となる。【選択図】図2