A: Investment funds generally refer to a collective investment system in which investment fund companies raise funds from the society by issuing fund shares or beneficiary certificates, and then invest the raised funds in securities, high-tech industries, basic industries and other investment objects or fields, and distribute the net income obtained to investors. Investment funds have the characteristics of "expert management, portfolio investment, risk dispersion and benefit sharing". Industrial investment fund refers to a collective investment system that exists in the form of investment fund, provides equity investment and management services to unlisted enterprises, enjoys benefits and bears risks. Its investment targets are usually some basic industries, pillar industries and high-tech industries that lack funds and do not have listing conditions but have growth potential, with the aim of promoting the growth of these enterprises through investment. The industrial investment fund that specializes in investing in the real estate industry is the real estate industry investment fund.