If a patient with hypertension develops lower limb edema, it mainly includes the following conditions: 1. Long-term hypertension may lead to hypertensive heart disease, causing heart failure, due to which bilateral lower limb edema can occur, and patients are often accompanied by symptoms of heart failure such as chest tightness and difficulty breathing. 2. If calcium channel blockers are taken, lower limb edema is one of the common side effects of calcium channel blockers. 3. For hypertension The lower limb edema caused by hypertension can also be due to long-term hypertension leading to renal impairment, which may also cause lower limb edema due to hypoproteinemia and sodium retention caused by renal impairment. 4. The lower limb edema in hypertensive patients may not be obviously related to hypertension, but caused by other diseases suffered by the patient. Therefore, if lower limb edema occurs, patients should go to the hospital to further clarify the cause of lower limb edema.