Most of the swelling of the feet in multiple myeloma is due to hypoproteinemia, because hypoproteinemia can cause edema of the lower extremities. Treatment can choose dehydration and diuresis, albumin supplementation and so on. 1. Patients with multiple myeloma with swollen feet can firstly be given diuretics in time with the help of doctors for dehydration and diuretic treatment, and usually elevate the lower limbs appropriately, which can play an obvious effect on relieving the symptoms of edema of legs and feet. You can also diet and exercise to regulate their own edema symptoms and can eat light and easy to digest food, pay attention to eat as little as possible is not easy to digest or stimulate the food. 2. Hypoproteinemia patients can be given intravenous infusion of human albumin to relieve edema symptoms. It is recommended to consult a doctor in time, under the guidance of the doctor for treatment, not self-selected drugs to avoid adverse reactions.