Humidification bottle of oxygen generator

The humidification bottle comprises a water containing cup, an upper cover and a sleeve, the water containing cup is connected with the upper cover through the sleeve, the water containing cup is provided with a low-water-level marking line, the upper cover is provided with an air inlet and an air outlet, the air inlet is connected with an air guide pipe, and the air guide pipe is connected with an air outlet. The air outlet end of the air guide pipe extends to the position below the low water level mark of the water containing cup. The humidification bottle of the oxygen generator has the advantages that the humidification bottle of the oxygen generator is reasonable in structure, the sleeve is arranged between the water containing cup and the upper cover, the cup opening of the water containing cup is the maximum water containing amount, and the negative effects that due to the fact that too much water is contained in a user, water drops overflow into a nasal suction pipe, normal breathing of the user is af