The basic principles of Bosera fund management mainly include: 1, setting the investment objectives, investment strategies, benchmark indicators and investment restrictions of the fund according to the needs of customers; 2. Adopt the investment style of combining "top-down" and "bottom-up"; 3. Follow the portfolio construction process based on basic research and quantitative analysis; 4. Use the performance evaluation system with attribution analysis as the core to analyze the fund performance; 5. Use the quantitative risk analysis and evaluation system with liquidity risk indicators, volatility risk indicators and VAR as the core to monitor risks.