The difference between the first level and the second level is that there is not much difference between the levels, which is not too obvious. Non-professionals generally don't see it, and it is relatively easy to divide the middle level.

High quality usually means the highest quality or value, such as some foods or jewelry, such as high-quality green tea, high-quality carved wine, high-quality pearls and so on. First-class usually means high quality or high value, such as some building materials or consumer goods, such as first-class marble, first-class refrigerator, first-class bird's nest and so on. Second-hand usually refers to medium quality or value, such as some electronic products or daily necessities, such as second-hand electric toothbrushes and second-hand mobile phones.

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Fragrant-flavor grade tea subdivision: super grade: plump, round and solid in appearance, green in color and obvious in sand and green; The soup is golden and bright, and the aroma is high and lasting; Gao Shuang has fresh and mellow taste, obvious phonology, thick, soft and bright leaves, even leaves and a long aftertaste. Grade I: the appearance is firm and dense, green and oily, and the sand color is green and bright; The soup is golden and bright, with lasting fragrance; The taste is mellow and sweet, the rhyme is obvious, and the leaves are soft, bright and even.

Grade II: the shape is curved and firm, green and oily, and the handle sand is green and tender; The soup is golden in color and has a lasting fragrance; The taste is still fresh, mellow and refreshing, the rhyme is still clear, and the leaves are still soft and bright, even and slightly fragrant. Level 3: the shape is still firm, dark green is slightly yellow, and the stalk is slightly tender; The soup is golden in color, pure in aroma, mellow in taste, slightly poor in rhyme, soft, bright and even.

Luzhou-flavor tea (taking Tieguanyin as an example) is subdivided into: super-grade: high-grade Tieguanyin (Guanyin King), with fat and uniform weight, green sand and moist, golden and transparent soup color, fresh and refreshing taste, fragrant tea rhyme, orchid flavor and peach flavor, thick leaves, soft and bright, red edge, lingering fragrance, green and sour taste, etc.

Level 1: Tieguanyin (Guanyin King) is medium and high grade. Fat, uniform and compact, green and moist, the soup is golden and clear in color, noble in aroma, bright in rhyme, soft and bright in taste, red in edge and slightly fragrant. Grade II: Tieguanyin, medium and high grade, compact strip shape, sandy green and oily color, golden soup color, unique taste, elegant aroma and slightly soft, bright and even leaves.

Grade III: Tieguanyin, middle and low grade, strong stripe shape, brown-green color, mellow aroma, orange-yellow soup color, slightly uniform leaf bottom and reddish brown.