Causes of summer face swelling: First, the summer weather is hot, will drink too much water or eat fruits containing more water, but often stay in the air-conditioned room without sweating, it will lead to drinking too much water and sweating less, blood volume increased, and finally caused the face swelling. At this time, it is recommended that the patient move properly and sweat, which will help the swelling of the face to subside. Secondly, in summer, people often eat raw and cold food, such as cold drinks, popsicles and so on, thus leading to weakness of the spleen and stomach and easy storage of water, so they should also eat less raw and cold food in summer. Thirdly, living habits tend to change in summer, which can lead to late sleep, and staying up late can also easily cause swelling, while patients are advised to go to bed early and get up early. In addition, the situation of swollen face should be clearly diagnosed at the hospital to exclude the presence of kidney disease, heart disease, liver disease and other conditions.