If there are symptoms of facial palsy, such as having a crooked mouth, drinking water with drooling, or incomplete eye closure, with one eye large and one eye small, the following measures should be taken: 1. First of all, do a good job of keeping warm: for example, wear sunglasses or a mask to go out, in winter, you even need to wear a hat, or when there is a change in the weather, you must pay attention to keeping warm; 2. Carry out rehabilitation exercises for the facial nerve: for example, chewing gum This is a good rehabilitation exercise to recover the facial nerve; 3. When you brush your teeth and wash your face, pay attention to using hot water or hot towels to apply hot compresses to the face of facial palsy. Therefore, when facial palsy occurs, the first thing to do is to keep warm, followed by hot compresses, and then to exercise the nerves in the facial palsy department through chewing, so that the facial palsy can slowly recover.