Longjing tea belongs to green tea, which is unfermented tea, and is cooler in nature; black tea belongs to fully fermented tea, and is mild in nature. Longjing tea has the characteristics of green tea with clear soup and green leaves, while black tea dry tea and tea broth is dominated by red color.

The production process of Longjing tea is picking, drying, kneading and frying, which belongs to the green tea among the six tea categories. The biggest difference between Longjing tea as green tea and black tea is the degree of fermentation, Longjing tea is unfermented tea, while black tea fermentation reaches 70%-80%, so Longjing tea is green tea.

The finished Longjing tea has a smooth and straight shape, green and tender color, light green and clear soup, and fresh and sweet taste. Longjing tea has the characteristics of green tea with clear soup and green leaves, while black tea dry tea and tea soup is mainly red, which is very different from Longjing tea.

Spring tea in the special Xihu Longjing, Zhejiang Longjing shape flat and smooth, seedling sharp cutting, buds longer than the leaves, color and lustre of young green, the body surface without velvet; soup color tender green (yellow) bright; fragrance or tender chestnut fragrance, but some of the tea with a high fire aroma; taste refreshing or strong mellow; the bottom of the leaf is tender green, still intact.

The rest of the levels of Longjing tea with the decline of the level, the shape of the color from tender green to green green to dark green, tea body from small to large, tea strip from smooth to rough; aroma from tender and cool to thick coarse, the fourth level of tea began to have a coarse taste; leaf bottom from tender buds to the folder leaves, the color of the tender yellow green to yellow-brown.

Summer and autumn Longjing tea, dark green or dark green color, tea body is larger, the body surface is not velvet, soup color yellow, there is a clear aroma but rougher, taste thick slightly astringent, the bottom of the leaf is yellow and bright, the overall quality is much worse than the same level of spring tea.