The invention discloses toadstool hypha fermented tea. Tea leaves are adopted as a raw material, the tea leaves are inoculated with a toadstool original species or cultispecies, and the toadstool hypha fermented tea is obtained after sterilization, culture, inactivation and drying. The invention further discloses a processing method of the toadstool hypha fermented tea. On the premise of adding no culture auxiliary material, the tea leaves are adopted as a medium for growth of toadstool hyphae, no foreign pollutant exists in the whole process, and the safety of the product is guaranteed. A large amount of amino acid matter and polysaccharide matter can be synthesized in the culture process of the toadstool hyphae, and the delicious degree of the taste of the product and the richness of inclusion of the product are improved. Tea polyphenol matter is naturally oxidized, the bitter taste is reduced, and the quality of the tea leaves serving as the medium is improved. A toadstool strain is medicinal and edible fungi, good safety is achieved, and a large number of toadstool hyphae exist in the tea leaves in the fermentation process. The toadstool hypha fermented tea has the healthcare effects of promoting digestion and appetite, strengthening the body, preventing colds, enhancing the immunity of the human body and the like.