Most of the words, phrases, phrases, special nouns and abbreviations used in this book come from the fields of securities and investment, covering stocks, bonds, funds, options, futures, issuance, trading, institutions, risks, laws and regulations, etc. The securities industry cannot be completely independent of other industries, so it is interdependent with other related fields. Trust industry always acts as a middleman in the process of foreign investment, and it is their function to manage money on behalf of customers. The insurance industry plans a large number of annuity investment plans for investors and actively participates in people's investment process while ensuring the safety of one party. Their investment plans often accompany people's lives. However, it is difficult for banks to distinguish investment products and sell securities through their own networks from the securities industry. Therefore, related words such as bank, trust and insurance, which are closely related to the securities industry, have become an inevitable choice in this dictionary. In the west, investment and financial management are closely related. When it comes to financial management, it will inevitably involve personal income and company income. If you have income, you have to pay taxes, and you have to pay taxes according to the tax law. Therefore, it is reasonable to include tax vocabulary in this book. In a word, this book also selects related words closely related to securities, investment and other fields, such as banking, trust, insurance, economy, law, taxation, statistics, market and personnel.