The utility model discloses a do not have and create respirator of ventilating, including the cover body, cover the fixed band that is equipped with the connecting portion of connecting the air duct and is used for wearing on the body, wear to be equipped with the bracing piece that can extend the lip position on the cover body, the medial extremity of bracing piece is equipped with the cotton -wool, bracing piece and cover body sliding fit, the bracing piece is equipped with the water filling channel who communicates with the cotton -wool along its axial. Adopt above -mentioned structure can make things convenient for respiratory mask to take out and wear, and need not the excision cover body in the use, just can be directly for the moist lip of patient.