Actuarial science has a history of 300 years in the west. It is a subject that uses mathematical theories such as probability theory and various financial tools to study the quantitative methods and techniques of how the insurance industry and other financial industries deal with various risks. It is the theoretical basis for the development of modern insurance, financial investment and social security.
Actuarial science is a science that uses the theory of probability mathematics and various financial tools to analyze and predict economic activities. In western developed countries, actuarial science plays an important role in insurance, investment, financial supervision, social security and other fields related to risk management. Actuaries deal with "future uncertainty", and their purpose is to provide basis for financial decision-making.