2. Cowpea has an anti-inflammatory effect. Sticking to porridge with Cowpea every day can diminish inflammation and relieve pain, which has excellent curative effect on arthritis. First, take out 50 grams of milk beans and soak them in warm water for five hours. Next, take the milk beans out and put them in a casserole, add100g of rice, and add water to cook for two hours.