Optional Points: touched: determining the degree of drying of tea. Choose a dry tea, on the hard twist Serve powder between the thumb and forefinger, the dryness enough; if the small groats, the lack of dryness, or tea had to absorb moisture. Tea dryness insufficient, more difficult to store, and the aroma is not high. Second look: see whether the basic characteristics of dry tea Pingyin rose, including shape, color, uniform degree. Three Olfactory: Olfactory level of dry tea aroma and flavor, to identify whether smoke, coke, acid, rancid, mold and other deterioration odor and bad smell all kinds of inclusions. Four taste: After when the moisture content of dry tea, shape, color and fragrance are in line with requirements for open soup reviewers. Take 3-4 grams Pingyin rose placed Beiwan in 150-200 ml of boiling water into the first five minutes after smelling aroma, look at the soup, taste fine taste, after assessment Securinega. This link is more important.