Preparation method of Huangshan tablet tea

The invention discloses a preparation method of Huangshan tablet tea. Mature leaves in a tea garden are taken as raw materials, and the industry blank of a technology for making tea from the mature leaves in the tea garden through six steps of raw material recovery, green leaf steaming, low-temperature rapid cooling, film brushing, flattening and carving, is filled. A film brushing process is created for the first time, leaves are separated from wax films on the surface layers of the leaves by a physical method, cell walls of cells on the surface layers of the leaves are destroyed, and dissolution of polysaccharide substances, amino acids and other substances forming tea flavor in the leaves can be accelerated during brewing of the leaves. During green leaf steaming, the mode of first low temperature and then high temperature is adopted, and dissolution of substances such as polysaccharides and amino acids during brewing of the leaves can be further promoted. After flattening, a carving process is adopted, an