The invention relates to a rosemary compressed tea and a preparation method thereof. The rosemary compressed tea comprises the following raw materials: rosemary, olive leaves, kudzuvine root, acanthopanax senticosus, mulberry leaves, lotus leaves, burdock roots, syringa pubescens flower, persimmon leaves, ginkgo biloba, yellow gardenia leaves, reed leaves and seabuckthorn. According to the rosemary compressed tea, rosemary has effects of tranquilizing and allaying excitement, and restoring consciousness, and has certain effects on dyspepsia and stomachache. The rosemary compressed tea has sedative and diuretic effects, can further be used for treating various diseases such as insomnia, palpitation, headache, dyspepsia and the like, has effects of strengthening the heart, promoting metabolism, promoting blood circulation of peripheral blood vessels and the like, can also improve language, vision and hearing disorders, enhance attention, treat rheumatic pain, strengthen liver function, reduce blood sugar, help treatment of arteriosclerosis, help paralyzed limbs to restore activity, and has good commercial prospects.