An endotracheal tube holder (1) comprises a holder body (10), a cushion (20) and a pushing component (30). The holder body (10) comprises an inner surface (11), an aperture (13), a bite wall (14) and a receiving portion (15). The receiving portion (15) comprises two parallel side walls (151) connected to the inner surface (11), a receiving space (153) formed between the two side walls (151), an opening (155) located at a side of the receiving portion (15), and two protruding portions (157) respectively located at the two side walls (151). The opening (155), the receiving space (153), and the aperture (13) communicate to each other. The cushion (20) is located at the inner surface (11). The pushing component (30) is mounted through the opening (155) and comprises two blocks (333) selectively buckled to the two protruding portions (157) that can be quickly fixed on the endotracheal tube (50).
