The invention discloses a Semen Cassiae-containing tea bag and preparation method thereof. The Semen Cassiae-containing tea bag comprises Semen Cassiae, chrysanthemum, lotus leaf and folium mori. The preparation method comprises the following steps: (1) sorting； (2) grinding； (3) sieving； (4) sterilizing: placing a sieved powdery mixture into a material tray, and performing ozone sterilizing for 30 minutes, wherein the material thickness in the material tray does not exceed 5 cm； (5) weighing； (6) mixing and (7) packing. The tea bag has the beneficial effects that the tea bag is rich in color, pure and mild in taste, particularly suitable for female consumers, is simple and convenient, and has the effects of diuresis and bowel relaxing, heat clearing, detoxifying, resisting aging and beautifying, has no any side effects for a human body after drinking, complies with a tea drinking tradition of people, solves the problem of single flavor of tea leaves and bitter taste caused by direct drinking of the Semen Cassiae and is more obvious in the effects after drinking for a long term, and is easily accepted by the female consumers, and the cost is saved.
