A tracheotomy tube set is provided with a tracheotomy tube including: a cannula including a connecting member at a proximal end and a bellows member joining to the connecting member, a balloon cuff formed proximal to a distal end of the cannula, a first wing extending from one side of one end of the balloon cuff, a second wing extending from the other side of one end of the balloon cuff, a first wedge balloon formed between the first wing and an insertion section between the balloon cuff and the distal end of the cannula, an opposite second wedge balloon formed between the second wing and the insertion section, and a line having one end communicating with both the first and second wedge balloons and a fixation device including a split flange, a hole through the split flange, and two slots formed at both sides of the fixation device respectively.
