When edema occurs, the specific cause needs to be identified before the appropriate treatment plan can be determined. Edema may be caused by the heart, and when cardiac insufficiency occurs, it can lead to the heart reflux being affected. Edema can be treated by improving the function of the heart, such as using heart-strengthening drugs like digoxin, or diuretic drugs like furosemide. The presence of edema may also be due to hypoproteinemia, which is caused by severe malnutrition or some chronic disease consumption, such as malignancy. For edema caused by hypoproteinemia, attention should be paid to strengthening nutrition, eating more protein-rich food, and in severe cases, albumin infusion can be considered to improve the colloid osmotic pressure in the body, which can reduce the symptoms of edema. For nephrogenic and hepatogenic edema, it is recommended to consult the internal medicine department for treatment in a timely manner.