Duobao tea is generally composed of black tea, green tea, chrysanthemum, medlar, red jujube and other ingredients.The quantity of jujube and wolfberry in Duobao tea is mostly calculated by particles, depending on the design and manufacturer of the product.The components of jujube and lycium barbarum in the product can be expressed more intuitively and accurately by particle calculation.In addition, it is convenient for consumers to know the number of red dates and medlar contained in each cup of tea