Abstract: Mineral resources and reserves are all physical assets owned by the whole people, and are also the core assets of mining enterprises holding the rights to use.With the continuous improvement of the internationalization of China's mining industry, the increasing cooperation between the mining industry and foreign countries, and the increasing listing of China's mining assets abroad, it is very important for China's mining internationalization to carry out comparative analysis and study of domestic and foreign mineral resources through examples, understand and grasp the similarities and differences of various types of mineral resources at home and abroad.The mining rights of Caijiaying zinc mine in Hebei province belongs to the domestic and foreign cooperative company.The company estimates the amount of mineral resources according to JORC code, discloses relevant information publicly in the overseas capital market, and estimates the resources according to the relevant standards and norms of our country and evaluates and files them.Taking Caijiaying zinc mine as an example, this paper chooses the resources of Caijiaying zinc mine Ⅱ zone in 2012 and the estimated resources at home and abroad in the elevation range of 1 300-1 400 m in Ⅲ zone.On the premise of the same control degree and estimation range, it compares the quantity of mineral resources and cut-off grade, the circle connection of ore bodies and the classification basis of resources, and analyses the differences.The reasons put forward some opinions and suggestions to provide empirical evidence for the establishment of docking between China's relevant rules and overseas general technical codes.