The risk factors of historical simulation method are the conditions that promote or lead to the occurrence of risk events, and the conditions that lead to the increase and expansion of losses when risk events occur. According to relevant public information, historical simulation method is a simple and non-theoretical method, and it is difficult for some financial products to obtain complete historical transaction data. At this time, by collecting the risk factors of this wealth management product, the frequency distribution of combined risk and return in the past period can be calculated.