Public offering fund is an investment tool that provides fund shares to the public for publicity and promotion. Compared with private equity funds, Public Offering of Fund's fundraising target is not fixed, which can attract investors to participate. This makes Public Offering of Fund have high liquidity and market openness. Public Offering of Fund's investment amount is relatively low, which is suitable for small and medium investors to participate. This means that individual investors can participate in the public offering of funds with small funds, and enjoy the investment services and diversified investment portfolios of professional fund management teams. Public offering of funds must abide by the laws and regulations of funds and accept the strict supervision of the regulatory authorities. This supervision mechanism protects the rights and interests of investors and ensures the transparency and compliance of fund operation.