Digital option is a legal form of financial derivatives trading. However, investors need to pay attention to some important matters when participating in digital options trading. Ensure that futures accounts are handled through regular futures companies, and choose a platform recognized and supervised by the official regulatory authorities for trading. These platforms usually have corresponding international financial business licenses and securities brokerage licenses to ensure the legitimacy and security of transactions. When choosing an option platform, investors should pay attention to the customer service quality and technical support level of the platform, ensure timely, professional and thoughtful response, and help investors to better trade options. Investors need to fully investigate and evaluate risks in order to formulate appropriate trading strategies and avoid potential investment risks. Only by ensuring the above conditions can digital option trading be carried out legally and safely.