The foot pain caused by high uric acid is caused by uric acid is too high in the body, which stimulates the bone and joint. Using salt water to soak will not cause more pain, but it will not be relieved there. The most fundamental way is to pay attention to diet adjustment, such as not drinking, not eating seafood, eating less red meat, eating less vegetables with high oxalic acid content such as spinach, amaranth and leek, and eating more root vegetables such as carrots, potatoes, zucchini and onions.