The invention discloses a waterproof and flame-retardant corrugated box, which is made of waterproof and flame-retardant corrugated paper. The corrugated paper includes a base paper and a functional coating coated on the surface of the base paper. The base paper is modified by impregnating liquid; the corrugated paper The production process of the box is as follows: the first step, immerse the base paper in the impregnation solution, and dry it after ultrasonic; the second step, evenly coat the coating on the surface of the impregnated base paper, cure, and process it with corrugated rollers; the third step, nail box. In the present invention, the base paper is treated by impregnating the impregnating liquid, and the active ingredients in the impregnating liquid have a strong binding force with the fibers of the base paper, which can not only give full play to the flame retardant performance, but also form a cross-linked network structure to improve the mechanical properties of the base paper ; After being coated with functional coatings, the corrugated paper has good waterproof performance; moreover, the impregnating liquid and the raw materials of functional coatings are all environmentally friendly raw materials, and the base paper itself is made of ordinary wood. Therefore, the obtained corrugated paper is easy to degrade characteristics, in line with environmental protection requirements.