Appearance: the cake shape and the thickness is uniform, the cord is tight, the buds and leaves are complete and oily; Dark green colour, white and draped. Soup colour: golden and bright, mellow tea soup is smooth, careful look at the velvet floating, tea soup is rich in internal quality. Taste: fresh taste, good palatability, rapid and long-lasting sweetnes. 2-10 brews the colour and taste can still be consistent.