How long can the swelling of the feet after delivery is based on the specific cause of the patient’s swelling of the feet is different, swelling time also varies. First, the patient’s foot swelling is due to the increasing uterus during pregnancy compression of the lower extremity venous blood return, and cause lower extremity vasodilatation resulting in swelling of the feet, postpartum uterus shrinkage of the lower extremity blood return is smooth, swelling of the feet can be gradually relieved generally about a week postpartum; Second, the patient’s foot swelling after delivery is due to the lower extremity venous thrombosis clogging the blood return to the lower extremities, although there is no uterus after delivery of continued compression, but the swelling of the feet symptoms will still be present, generally three to four weeks after the complete mechanization of venous thrombosis to subside, the patient can only be swelling. Generally, it takes three to four weeks for the swollen feet to recover slowly after the lower extremity venous thrombosis is fully mechanized and subsided.