1, Longjing tea belongs to green tea. The super West Lake Longjing and Zhejiang Longjing in Longjing tea have flat and smooth appearance, sharp seedlings, longer buds than leaves, light green color and no fuzz on the body surface; The soup is light green (yellow) and bright; Fragrant or tender chestnut fragrance, but some teas are highly fragrant; The taste is refreshing or mellow; The leaves are light green and intact. With the decline of other grades of Longjing tea, the appearance color changed from light green to turquoise and then to dark green, the tea body changed from small to large, and the tea strips changed from smooth to rough. The fragrance changed from tender to thick, and the fourth-grade tea began to have a rough taste; The bottom of the leaf changes from bud to opposite leaf, and the color ranges from light yellow to turquoise to yellowish brown.

2. Longjing tea in summer and autumn is dark green or dark green in color, large in size, without fuzz on the body surface, Huang Liang in soup color, fragrant and rough, strong and slightly astringent in taste, and Huang Liang in leaf bottom, and its overall quality is much worse than that of spring tea at the same level.

3, machine Longjing tea, now there are full-function machine fried, but also organic and artificial assisted fried. Machine-made Longjing tea is mostly rod-shaped, incomplete, dark green in color, and the overall quality is worse than that of manual frying under the same conditions.