Walnut jujube refers to the cut-open food of walnut kernel, because the peeled walnut kernel is sandwiched in jujube, which is delicious, convenient to eat and has the function of health preservation; Walnut and jujube is a specialty of Shanxi and an innovative health food. Walnut jujube is made of fresh jujube produced in Shanxi, with fresh walnut kernel as the core and walnut kernel as the outsourcing. Jujube is sweet and delicious, walnut is crispy and delicious, with unique taste, nutrition and health, which is deeply loved by market consumers; Jujube is known as "natural vitamin pill" because of its high vitamin content. It is rich in protein, fat, sugar, organic acids, vitamin A, vitamin C, various trace calcium and amino acids. Walnut is rich in nutritional value, and has the reputation of "Long live the son", "longevity fruit" and "treasure of health preservation". 86% of the fat in walnut is unsaturated fatty acid, which is rich in copper, magnesium, potassium, vitamin B6, folic acid and vitamin B 1, and also contains fiber, phosphorus, nicotinic acid, iron, vitamin B2 and pantothenic acid.