Disease analysis: Hello, rheumatoid. The etiology of this disease is not completely clear, and it is generally considered to be an autoimmune disease caused by heredity, infection and some incentives. It is ok to soak your feet with Jiang Shui. Suggestion: Ginger is pungent and warm, which can accelerate human blood circulation and improve discomfort symptoms such as cold hands and feet, chills and chills. If you persist for a long time, your body will relax, your energy will be abundant, your sleep quality will be improved, and your feet will be refreshed.