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1. Cleaning: First, wash your hands to avoid contamination of the inner surface of the mask with dirty hands;
2. Hanging: Stick the mask horizontally on the nose and mouth of the face, and hang the ropes at both ends on the ears with both hands;
3. Pull: Pull the folds of the mask up and down at the same time, as shown in the picture below, so that the mask completely covers the mouth, nose, and chin;
4. Pressure: Then, use the index fingers of both hands to press the metal strips on both sides of the bridge of the nose, so that the upper end of the mask is close to the bridge of the nose. In addition, it is important to remind people not to touch the mask frequently after wearing it, lest it reduce its protective effect. After removing the mask, put it in a tape or paper bag, then dispose of it in a covered trash can, and wash your hands promptly; do not reuse disposable masks.
Everyone is very familiar with medical masks. Before winter comes, everyone will wear masks early, which can effectively prevent the irritating effect of cold air on the nose, which is particularly important for patients with rhinitis.