Another definition says: refers to a group of physicists and mathematicians who use mathematical models to analyze financial markets. They believe that the accuracy of mathematics is the basis of analyzing the most complicated human activities, and they have also used the mathematical skills of analyzing the nervous system to make money. The decisive factor of financial engineering is the person who presides over and manipulates financial engineering. These people are financial engineers. 199 1 The establishment of the International Association of Financial Engineers not only represents the official appearance of financial engineering, but also represents that the special group of financial engineers has been recognized by the society. Because financial engineering involves corporate finance, securities investment, foreign exchange trading, financial derivatives trading and other fields. Financial engineers are required to have theories, knowledge and skills consistent with their financial engineering responsibilities.