The invention discloses a preparation method for forsythia suspensa green tea, and relates to a kind of tea. The preparation method for the forsythia suspensa green tea comprises: cooling of green leaves, rocking of green leaves, enzyme deactivation of green leaves, rolling, wrapping-twisting, baking for aroma raising and packaging. The forsythia suspensa green tea prepared by employing the preparation method provided by the invention has the beneficial effects that: forsythia suspensa leaves are taken as the raw material and no any additives are added, because forsythia suspense leaves are abundant in nutritional components, the forsythia suspensa green tea prepared according to the preparation method has the efficacy of clearing heat, detoxifying, engendering fluid, quenching thirst, resisting bacteria, promoting diuresis, strengthening stomach and promoting digestion, also is pure in fragrance and mellow in taste, belongs to pure natural tea suitable for both old and yong, and has extremely high health-care value and market value. The preparation method helps to reduce green leaf cooling time, reduce preparation time by raising temperature of enzyme deactivation and aroma raising, and improve the preparation efficiency of the forsythia suspensa green tea.