The paper making technology has reached the world's leading level. Its principle is to use the chemical principle of polymer interface and the characteristics of filing modification. After special process treatment, it is processed and mould ed. A new type of paper with recyclable and modern technical characteristics is produced with coal gangue powder and calcium carbonate powder as the main raw materials, and polymer materials and a variety of inorganic substances as substrate auxiliary materials.. The stone paper project won the "Science and Technology innovation Award" of Shanxi Innovation Enterprises, and the first prize in the entrepreneurship category of the 4th Jin zhong Innovation and Entrepreneurship Competition.