The invention discloses a loquat flower and amber tea capable of tranquillization and promoting sleeping and a preparation method of the loquat flower and amber tea. The loquat flower and amber tea is characterized by consisting of the following raw materials in parts by weight: 50-55 parts of loquat flowers, 120-125 parts of a green tea, 5-6 parts of radish seeds, 5-6 parts of albizia bark, 10-12 parts of orange buds, 6-7 parts of lalang grass rhizomes, 10-12 parts of wild chrysanthemums, 15-18 parts of agar, 60-65 parts of sugarcane, 15-18 parts of white granulated sugar, 10-12 parts of Chinese wolfberries, and 25-30 parts of white wine. The loquat flower and amber tea capable of tranquillization and promoting sleeping, disclosed by the invention, has the characteristics of being exquisite in appearance, diversified in nutrition, convenient to brew, fragrant and delicious in taste and the like, and effective components have the health-care effects of tranquillization, promoting sleeping, enhancing immunity, clearing heat, removing toxicity, reducing weight, beautifying features, moistening the lung for relieving a cough, and the like.