2. Baojing Golden Tea has the characteristics of "four highs and four unique skills": "four highs", that is, the contents of amino acids, tea polyphenols, water extracts and chlorophyll in tea are high, with the amino acid content being 7.47%, which is twice that of ordinary green tea varieties in the same period, the tea polyphenols content being about 20%, the water extracts being nearly 50%, and the chlorophyll content being more than 50% higher than that of the control varieties; "Four musts" means that the tea is rich in fragrance, the soup is green in color, the entrance is refreshing and the aftertaste is mellow. Especially the amino acid content is high, and it has the effects of health care, beauty care, metabolism promotion and longevity. Baojing Jincha black tea has the quality characteristics of "fragrance, green, refreshing and mellow", and it is a good product for nourishing the stomach, caring skin and keeping in good health.