The invention belongs to the field of tea leaf processing, and mainly provides a Mythic Fungus yellow tea and a processing technology thereof. The above product enriches the kinds of the Chinese tea industry, provides a multifunctional tea beverage for general consumers, and enhances the Chinese tea culture. Raw materials used in the invention comprise raw tea fresh leaves and Mythic Fungus particles; and the processing technology comprises the following steps: cutting Mythic Fungus to form 0.1-4cm<3> of particles, deactivating enzymes of tea leaves, carrying out pot rolling on the tea leaves and Mythic Fungus, spreading, carrying out first drying and spreading, carrying out first wrapping, carrying out second drying and spreading, carrying out second wrapping, drying, examining and packaging, and refining to prepare Mythic Fungus yellow tea. The Mythic Fungus yellow tea is prepared by mixing Mythic Fungus with the raw tea, enriches the latent quality of the tea leaves, improves the health functions of tea, can protect liver, nourish stomach, tranquilize the mind, improve eyesight, reduce blood pressure, blood fat and blood sugar, improve human body immunity and delay ageing, has clear soup and extremely good mouthfeel, and enriches Chinese yellow tea kinds.