Chronic pain is a type of pain capable of affecting the knees, pelvis, head, bones, etc., that lasts for more than six months and is usually categorized into nerve pain and muscle pain. If the pain lasts for more than six months, it will lead to chronic pain in the organism. 1, salmon, mackerel and sardines Salmon in the ability to reduce pain is w-3 fatty acids, can relieve back pain, neck pain. 2, round onions Round onions contain oak extract, which is an anti-inflammatory enzyme, while oak extract also has an immunomodulatory effect. 3, blueberries Blueberries contain many antitoxins, can remove oxygen free radicals, thus avoiding free radicals aggravate chronic pain. 4, sweet potatoes Sweet potatoes contain many carotenoids, can reduce inflammatory response, strengthen the body’s immune system. 5, garlic Garlic is also an anti-inflammatory food, containing sulfur, can stimulate the body to produce T cells, enhance immune function, can reduce chronic pain. At the same time, it should be pointed out that bran and animal foods can aggravate the chronic inflammatory response, should be avoided or eaten sparingly.