Cardiogenic edema is characterized by generalized edema and localized edema, and the characteristics are more obvious, and edema will be formed slowly. It is characterized by a gradual decrease in urine volume, heavier limb parts, weight gain, and edema in the lower limbs of the body, including the whole body parts, and the above four are the characteristics of edema. Edema will gradually develop, starting from the lower limbs and gradually developing into generalized edema. The principles of treatment for cardiogenic edema are diuresis, protection of the heart, timely medical consultation, and rest. Causes of cardiogenic edema include endocrine factors, inflammation of the body, pulmonary edema, etc. Edema occurs when the blood circulation and body circulation are stagnant due to cardiac insufficiency. Often bedridden patients have more obvious edema in the posterior back, sternum and lumbar region, while the face usually does not appear. Systemic edema etiology helps to identify cardiogenic edema.