According to different processes, it can be divided into original ecological category and processing category: the original ecological category mainly includes: red dates and walnut kernels are directly processed into finished products without additives and preservatives, and can be stored for up to 1 year in a sealed environment. Processing: liquid or other edible additives are added through a certain process to keep it crispy and delicious for a long time, and the shelf life can be as long as 2 years. According to the size, it is mainly divided into dates with walnuts and dates with walnuts. Jujube has different raw materials and tastes. The taste characteristics of walnut and jujube are: thick meat and sweet taste; The taste of walnut and jujube is sweet and crisp.