Feeling water in the body can not be discharged due to edema, ascites, pleural effusion, etc., common diseases are mainly caused by heart disease, kidney disease, liver disease and circulatory disorders, inflammation and so on. 1. Heart disease: right heart failure due to pulmonary hypertension, chronic bronchitis and other diseases can cause systemic circulatory disorders, resulting in edema of the whole body, especially the lower limbs, pleural and abdominal fluid, etc., accompanied by dyspnea, loss of appetite, fatigue and so on. 2. Renal diseases: renal insufficiency caused by glomerulonephritis, nephrotic syndrome and other diseases will lead to a decrease in glomerular filtration rate, sodium retention, resulting in edema. 3. Liver diseases: such as fatty liver, viral hepatitis and other diseases caused by cirrhosis, which can lead to patients with hypoproteinemia, portal hypertension, etc., and obvious symptoms of ascites. 4. Circulatory disorders: such as lower extremity deep vein thrombosis, varicose veins, etc., which can lead to lower extremity venous return obstruction and lower extremity edema; breast cancer and other diseases can lead to lymphatic circulation obstruction and limb edema. 5. Inflammatory diseases: such as conjunctivitis can lead to eyelid edema, pleurisy can lead to peritoneal effusion, and inflammatory diseases in the abdominal cavity can lead to peritoneal effusion. If the patient feels that there is water in the body can not be discharged, it is recommended to seek timely medical treatment to identify the cause of the disease, targeted treatment.