Magnesium sulfate foot soak has two major benefits, one can play a role in reducing swelling, the other is to play a role in sterilization, but both need to be used under the guidance of a doctor. 1. The role of swelling Lymphatic reflux caused by poor foot edema, or due to trauma resulting in soft tissue contusion swelling, closed fracture caused by local bruising and swelling, you can use magnesium sulfate foot soak, so as to achieve the purpose of swelling. 2. Bactericidal effect Magnesium sulfate foot soak also has a certain bactericidal effect, help to prevent and assist in the treatment of foot infections. It should be noted that the use of magnesium sulfate foot soak is generally for closed wounds, the skin is not broken condition. If the skin of the foot exists on the epidermis of the wound, the use of magnesium sulfate foot soak, on the contrary, will aggravate the symptoms, and can even lead to skin ulceration. To summarize, soaking feet with magnesium sulfate has certain benefits, but it should be carried out under the guidance of a doctor and should not be applied blindly, especially when there is an open wound on the feet. In addition, normal people do not need to use magnesium sulfate to soak their feet, daily use of warm water to soak their feet can be.