If the patient has swollen feet, but not painful or itchy, it may be due to the existence of blood circulation disorders, hormonal abnormalities and other etiologies, as follows: 1. Blood circulation disorders: some patients will have the above symptoms due to blood circulation disorders in the feet, followed by the above symptoms, such as patients sitting for a long time, so that the lower limbs are subject to excessive flexion, or patients standing for a long time, so that the lower limbs are overly pressurized for a long time This will make the blood flow back to the foot is blocked, and then there is a large amount of fluid accumulation in the tissue spaces, after which the patient will appear swollen feet, but there is no obvious pain or itching; 2, hormonal abnormalities: some patients may appear due to hormonal abnormalities in the body, for example, when the patient has hypothyroidism, may appear mucus edema, and in the foot The performance is more obvious.