When it comes to wearing disposable medical masks, many people will often wear them incorrectly. Many people will not know the advantages and disadvantages. Some people use disposable medical masks repeatedly. This method is not right. The following small series provides a simple introduction for most users, hoping to popularize this knowledge. The disposable masks we usually buy in pharmacies are medical general surgical masks. They have two sides, the darker side - the blue side facing out, the lighter side facing inward, close to our face. Not only that, the mask is also divided into two parts. Inside the metal strip is the upper end, connected to the bridge of the nose. Disposable medical mask 1. Cleaning: first, wash hands to avoid dirty hands polluting the inner surface of the mask; 2. Hanging: put 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: at the same time, pull the folds of the mask up and down, as shown in the figure below, so that the mask completely covers the mouth, nose and chin; 4. Pressure: then, press the metal strips on both sides of the bridge of the nose with the index fingers of both hands, 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 contact the mask frequently after wearing it, so as not to reduce its protection effect. After removing the mask, put it in adhesive tape or paper bag, then put it in a covered garbage can and wash hands in time. Do not reuse disposable masks. We are very familiar with medical masks. Before winter comes, we will wear masks early, which can effectively prevent the stimulation of cold air on the nose, which is particularly important for patients with rhinitis.