What is the role of walnut distraction? It can tonify kidney, strengthen essence, promote blood circulation and replenish blood, and treat male urgency, frequent urination, lumbago and sexual dysfunction. Walnut chopping wood for 3-5 grams often soaks in water, which will soon improve. Many old people often have low back pain when changing seasons. If they drink a cup of walnuts and chop wood in the morning and evening, it will have a good effect. Some female friends will encounter cold hands and feet in winter. If they insist on soaking walnuts in water, the effect will be very good.