Patients can eat walnuts after a cold and cough. Walnuts have the following effects: First, replenish the deficiency and strengthen the body, provide nutrition. Second, anti-inflammatory sterilization, skin care. Walnuts can directly play the role of sterilization, anti-inflammatory. Third, cancer prevention and anti-cancer. Walnuts also have analgesic effect on cancer patients. Fourth, brain health and anti-aging. Walnuts contain a large number of proteins and essential saturated fatty acids, these components are important substances for the metabolism of brain tissue cells, can nourish brain cells, enhance brain function. Purify blood and lower cholesterol. Walnuts have a variety of unsaturated fatty acids, can reduce cholesterol content. Sixth, walnuts contain a large amount of protein and essential amino acids, which can replenish the brain and brain. Walnuts can also prevent arteriosclerosis. Walnuts also have vitamin E, which can protect cells from oxidative damage caused by free radicals. Walnuts also have the role of lubricating the intestines.