This paper puts forward the most important rule in the standardized management of the finance & stock market in all countries,that is,compulsory information revelation,through a deep-going analysis of how the asymmetrical information caused by the limited ability to process information and the diverse efficiency in processing information influences the efficiency of the finance and stock market.The paper considers that compulsory information revelation is the foundation of the stock market and the precondition to establish a fair,open,just and high efficiency finance and stock market.
