The specific clinical causes of facial swelling after waking up are classified as physiological and pathological. Physiological causes may be due to excessive water accumulation in the skin between tissues caused by drinking a lot of water before bedtime, and edema may occur in the thin eyelids, so try to reduce the amount of water drunk before bedtime; it may also be due to poor local blood circulation caused by squeezing of one side of the face or skin during sleep, resulting in local or facial The swelling occurs. There are relatively more pathological causes, and the common clinical causes include cardiogenic, hepatogenic, nephrogenic, and drugogenic, especially in elderly people with poor heart function, who are often prone to facial swelling due to mild heart failure; patients with kidney disease often have swelling of the face, including the limbs, and the swelling should be reviewed in the hospital for a long time, such as blood, urine routine, liver and kidney function, and kidney ultrasound. To find out the exact cause of the disease, we need to carry out targeted treatment.