Research on analysis some morphological characteristics of tea leaves, tea leaf anatomy and biochemical components of tea buds of some tea varieties. The result showed that the targets of the anatomy of the leaf increases by age of the leaves, the leaves as long then thickness of the leaf and thickness of palisade tissue of PH10, Kim Tuyen cultivar all increase, the smallest was the first leaf and the biggest was the third leaf. The thickness of epicuticula of the PH8 cultivar decreased from the first leaf to the third leaf in the spring and autumn, while PHlO, Kim Tuyen cultivar increased gradually; The aromatic compound index range from 42.28 - 47.75 percent (spring), 46.10 - 50.62 percent (autumn); the aromatic compound index in the autumn has a higher than the spring and the highest is Kim Tuyen cultivar, the lowest is PH8 cultivar. Thickness of leaf, thickness of epicuticula, thickness of palisade tissue with Oolong tea, green tea taste sensory test core of Kim Tuyen, PH10 are correlation coefficients very close relationship; PH8 variety is green tea taste sensory test core with thickness of leaf, thickness of palisade tissue has correlation coefficients very close relationship (r = 0.547; r = 0.678) and Oolong tea taste sensory test core has correlation coefficients but not close relationship (r = 0.415; r = 0.258). The sugar content, the aromatic compound index with Oolong tea, green tea taste sensory test core of Kim Tuyen, PH10 cultivars are correlation coefficients very close relationship. PH8 cultivar taste sensory test core with the aromatic compound index has correlation coefficients very close relationship; and correlation coenfficients but not close relationship with the sugar content. Therefore, it can be concluded, PH10, KimTuyen varieties suitable for processing green tea and Oolong tea; PH8 variety suitable for processing green tea. Can use the leaf anatomical targets, sugar content of tea buds in the selection of the beginning material to breeding tea varieties to produce raw materials for processing high quality green tea, Oolong tea.
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