If the leg is swollen: 1, if it is caused by hypoproteinemia, it is necessary to actively strengthen the quality protein diet, if necessary, intravenous supplementation of human albumin to relieve the symptoms of edema. 2, if it is caused by prolonged standing and walking, you can take oral medication to promote lymphatic venous return, such as Myclobutanil tablets. If it is caused by venous thrombosis, it is necessary to actively improve the vascular ultrasound of the lower extremities, and after a clear diagnosis, oral anticoagulant drugs, such as apixaban, can be used for symptomatic treatment, as well as subcutaneous injection of low molecular heparin calcium to assist in treatment. If it is caused by venous thrombosis, you need to actively improve the vascular ultrasound of the lower limbs, and after clear diagnosis, take oral anticoagulant drugs, such as apixaban, and also subcutaneous injection of low molecular heparin calcium to assist the treatment.