With its rich nutrition and its unique flavor, walnut is known as "the king of four nuts".  The nutritional value of the walnut is good to the brain, maintain for life and beauty. Eating walnuts is good to kidney, liver, lung, bones and other functions. Women who often eat walnuts can make health development of fetus when they are pregnancy. It has positive function in preventing high blood pressure, coronary heart disease and vascular thrombosis, atherosclerosis and other disease.