If female patients have swollen feet in the afternoon, the following reasons can be considered:1. Chronic diseases of the kidneys, such as chronic glomerulonephritis, chronic renal insufficiency, or large amounts of proteinuria resulting in hypoproteinemia, often appear in the afternoon swelling of the feet.2. Endocrine metabolic disorders, such as hypothyroidism, adrenocortical insufficiency, the patient will also appear in the afternoon swelling of the feet along with swelling symptoms of the anterior side of the lower leg, the posterior side of the lower leg. 3. 3, for chronic heart failure, cardiac insufficiency patients, there will be afternoon foot swelling, and double lower extremity swelling gradually spread upward. 4, women who have extreme malnutrition, anemia, etc., will also appear hypoproteinemia and lead to swelling.