The invention belongs to technical field of tea science, and in particular relates to a novel method for preparing grapefruit scented tea. The method comprises the following steps of: processing a tea blank of baked green tea, screening grapefruit fresh flowers, scenting the flowers twice continuously, drying and the like. According to the method, processes of drying over repeated fire, ventilating and spreading for cooling in the conventional process for scented tea are eliminated, so that the time of scenting the flowers is shortened. According to the method, the tea blank of the high-gradebaked green tea is selected, and new flower scenting process parameters are adopted, so that the grapefruit scented tea is fresh, sweet and mellow, elegant and tasteful, fresh and mellow and lasting in flower charm; and the quality of the grapefruit scented tea is improved, so that the grapefruit scented tea is classified into the top ranks of tea products. According to the method, grapefruit flowers which are discarded by fruit growers in the 'flower thinning and fruit thinning' processes are utilized, so that the utilization rate of resources is improved, and the income increase of the fruit growers is promoted; the scenting season of the grapefruit scented tea follows the production season of spring tea, so that the second marketing peak can be formed after the spring tea marketing peak, the incomes of tea growers are improved, and the vigor of industry is improved.