Abstract: Two brand biological foliar fertilizer application to guixiang 22 tea garden can increase the amino acid content of tea leaves by 22.5% and 31.6%, improve tea quality obviously. The fragrance of tea is high and excellence. The tea flavor is sweet, and the yield exceeds that of the contrast tea garden. One of the seven products which were made from the fresh leaves in the guixiang 22 tea garden won gold medal in the fifth “Guicha” cup top grade tea competition. Three of them carried a complete line of the silver cup in the first “Guilv” cup of Guangxi.