Method for preparing tree peony beverage

The invention discloses a method for preparing a tree peony beverage, which belongs to a beverage processing process. In the method, the tree peony beverage is obtained by blending, homogenizing, sterilizing and cooling tree peony extract which is prepared by leaching root skin and leaves of tree peony. In the invention, a new flavonoid beverage is prepared, tree peony resource is recycled, the operability is high, the production time is short, the prepared tree peony beverage can be stored for a long time and tastes acidic and sweet, and thus, a new approach for industrial and large-scale production is provided for the tree peony industry.