Objective:To explore the law of Chinese medicine patent compound prescription in treating diabetic retinopathy (DR).Methods:The patents of TCM compound for the treatment of DR Published in the patent database of China National Knowledge Resource Database (CNKI) from the establishment of the database to September 1, 2022 were searched and screened. The Ancient and Modern Medical Record Cloud Platform V2.0 was used to analyze the frequency of medication, nature, taste, and meridian distribution, and the rules of compatibility of medication were mined and analyzed based on association rules and c...