Feeling swollen lower limbs may be caused by overwork, may also be cardiac, renal and other diseases. 1 overwork: if the patient has carried out a lot of sports or in the daily work of standing too long, leading to the patient’s leg muscles are overworked, resulting in the phenomenon of lower limb swelling, is a normal physiological phenomenon. 2. Cardiogenic, nephrogenic and other diseases: coronary heart disease resulting in heart failure, nephrotic syndrome, etc. can be caused by swelling of the lower extremities, the need for the cause of the cause of treatment, and symptomatic swelling treatment. Patients with lower limb swelling, may be caused by overwork, do not need special treatment. If it is caused by a disease, the patient should consult a doctor in time to find out the specific cause of the disease, and follow the doctor’s instructions to take therapeutic measures.