According to reports, from the intuitive distinction between true and false, the dry tea forms of southern fake tea are diverse, some are short and thin black, some are green and have many stems; In terms of aroma, counterfeit products are obviously lacking in aroma, and the brewed soup is turbid, while Rizhao green tea is transparent and clear, with high aroma, strong taste and resistance to brewing. In addition, it is understood that the formation of Rizhao tea quality is mainly related to season, origin, raw material grade and workmanship. In spring, tea is bright yellow-green, tender and the best quality. Summer is black, and autumn tea is green but not yellow. Secondly, the place of origin, the soil quality in mountainous areas is better, and the quality of tea produced in hilly areas is better. In addition, it depends on the grade of raw materials. One bud and one leaf have high tenderness and full flavor. Finally, look at the works of the tea master. Generally speaking, a good quality tea soup must be bright in color, bright yellow-green, and fragrant with chestnuts and peas.