The invention discloses a preparation method of a tea fragrant type mulberry leaf fine powder, wherein the preparation method comprises the following steps: (1) taking fresh mulberry leaves and fresh tea leaves, and spreading; (2) adding the fresh mulberry leaves and the fresh tea leaves after cleaning into fresh apple and/or potato, adding water, and together carrying out wet smashing; (3) carrying out ventilating mixing, homogenization and enzyme inactivation treatment: carrying out ventilating mixing, homogenization and enzyme inactivation treatment on the wet-smashed material; (4) carrying out spray drying on the material having enzyme inactivation completed; and (5) carrying out sterilization package and storage on the material obtained from spray drying. The method can better retain and further enrich nutrient substances of the mulberry leaf fine powder, allows cold and cool characteristics of the mulberry leaves to be improved, allows an fragrance to be developed, and is more responsive to requirements of consumer markets.