Guizhou Province’s real estate loan concentration standards are divided into five grades, which are the upper limit of the proportion of real estate loans and the upper limit of the proportion of personal housing loans. The five grades are 40, 32.5, 27.5, 20, 22.5, and 17.5 respectively. ,17.5,12.5,12.5,7.5. According to the query of relevant information, the real estate loan concentration management system refers to the proportion of real estate loan balances and personal housing loan balances of Chinese-funded corporate banking financial institutions established in my country. The management requirements shall not be higher than the corresponding upper limit determined by the People's Bank of China and the China Banking and Insurance Regulatory Commission, and development banks and policy banks shall implement it accordingly.