Edema on the second day, there is no quick way to reduce the swelling, it needs to be treated symptomatically and causally. Edema may be caused by drinking a lot of water, nephrotic syndrome, cirrhosis and other factors, according to the cause of the disease, temporary observation, general treatment, drug treatment, surgical treatment and so on to alleviate the symptoms. 1. Drinking a lot of water: If you drink a lot of water on the first night, your body’s metabolism will be slow, and you will wake up with edema on the morning of the second day. It is a normal performance, no special treatment is needed, and temporary observation is enough. 2. Nephrotic syndrome: it is a clinical syndrome, when there is a large amount of proteinuria, it will cause a high degree of edema, so it is necessary to control proteinuria as soon as possible, and follow the doctor’s instructions to take hormones, immunosuppressants, etc.. For the combination of hypertension patients need to be combined with enalapril treatment, blood pressure control can also assist in reducing edema. 3. Cirrhosis: mainly related to viral infection, resulting in the liver can not normally synthesize albumin, will cause edema. Oral antiviral drugs, such as entecavir, can be prescribed, and liver transplantation can be considered if necessary. Edema on the 2nd day may also be caused by low activity level, abnormal cardiac function, etc. It is recommended to consult a doctor as soon as possible to clarify the cause of the disease and then target treatment.