Public Offering of Fund companies can borrow money from other companies, while Public Offering of Fund companies invest by raising investors' funds. According to the fund contract, investors can be charged management fees and sales service fees. The expenses are sufficient to support the operation and management expenses of the fund company's public offering business. Under certain circumstances, Public Offering of Fund companies need to borrow temporarily, such as when they are short of funds or have to deal with special investment opportunities. In this case, Public Offering of Fund companies can obtain additional funds by signing loan agreements with other financial institutions.