A method for producing Antrodia cinnamomea tea leaves includes the following steps: (A) providing a culture medium substantially consists of a culture base and a nutrient, in which the culture base includes tea leaves, and the nutrient includes water and sugar (B) inoculating Antrodia cinnamomea fungus body into the culture medium and (C) waiting until the culture medium being covered by Antrodia cinnamomea hyphae, then low temperature drying the hyphae-covered culture medium so as to obtain the Antrodia cinnamomea tea leaves. Thus a novel type of an Antrodia cinnamomea product which can be bathed in water to make tea is provided.本發明之牛樟芝茶葉製造方法包括下列步驟:(A)提供一培養料,該培養料主要由一培養基及一營養劑加以混合而成,該培養基包括茶葉,該營養劑則包括水及糖;(B)將牛樟芝菌體接種至培養料之培養基上;以及(C)待培養料上長滿牛樟芝菌絲後,將長滿牛樟芝菌絲之培養料進行低溫乾燥,藉此製得牛樟芝茶葉。所得牛樟芝茶葉可供沖泡而加以飲用,從而提供一種新型態的牛樟芝應用產品。