Abstract:Eurotium cristatum was used as the starter culture to ferment the dandelion tea.With polyphenols ，spore amount and sensory evaluation for evaluation index，a single factor experiment and orthogonal experiment were carrid out to determine the optimum process of the fermented tea.The results showed that moisture content of dandelion tea was 35%，inoculum amount was 0.08 mL/g（dry tea） and fermentation time was 8 days.In this condition，the dandelion fermented tea had orange color，harmonious aroma and delicate taste.