The invention relates to Styrax faberi Perk leaf tea and a preparation method thereof, wherein Styrax faberi Perk leaves are leaves of Styracaceae herb Styrax faberi Perk. The preparation method of the Styrax faberi Perk leaf tea comprises the following step of: carrying out enzyme deactivation, twisting and roasting on the Styrax faberi Perk leaves to prepare a tea preparation. One or a plurality of green tea, jasmine flowers, honeysuckle or chrysanthemum can be added in the Styrax faberi Perk leaves to prepare tea beverage with better mouthfeel and more efficacies. The prepared Styrax faberi Perk leaves can be directly brewed by using boiling water with the temperature above 90 DEG C, and the ratio between tea and water is preferably 1:50 to 1:60 (namely 50 to 60mL water pre 1g tea), therefore, the brewed tea has yellow and bright tea juice, moderate thickness, and is fresh, mellow, cool and tasty. The Styrax faberi Perk leaf tea has no remarkable toxicity after toxicity testing, is safe and reliable to drink, suitable for all types of people, in particular regular smokers and drinkers and has the efficacy of cooling and removing internal heat, eliminating phlegm and diminishing inflammation, waking up the patient from unconsciousness and blooming spirit, prompting flow of qi and blood circulation, improving eyesight and clearing away heart fire, resisting bacteria, inflammation and virus and strengthening immunity.