Diuretics that reduce edema relatively quickly need to be selected according to the patient’s condition, such as edema caused by renal insufficiency, cardiac insufficiency, pulmonary insufficiency and other causes. It needs to be treated accordingly. 1. Renal insufficiency: if the patient wakes up in the morning with swelling of the eyelids and face first, followed by generalized edema, furosemide tablets and other drugs can be used for treatment. 2. Cardiac insufficiency: if the patient has symmetrical depressed edema in the lower parts of the body, drugs such as hydrochlorothiazide tablets can be used for treatment. 3. Pulmonary insufficiency: with ascites as the main manifestation, may be accompanied by weakness, loss of appetite and other symptoms, can use spironolactone tablets and other drugs for treatment. Patients with edema should follow the doctor’s instructions to use drugs in daily life, pay attention to limiting salt intake, ensure sufficient rest, and consult a doctor when symptoms worsen.