The invention relates to a health-care gauze mask for mouth and nose, and belongs to the field of medical health care. By adjusting the angle and the position of a mask body and a human face, the gauze mask achieves the effects of guiding airflow direction, preventing cold air directly entering the respiratory tract of human body, and warming the sucked air properly. The health-care gauze mask for the mouth and the nose can be used for preventing and treating respiratory diseases such as cold, allergic asthma, allergic rhinitis, and the like, and is helpful for improving the sleep quality.