The invention discloses a user-side micro-energy network energy supply system. The user-side micro-energy network energy supply system comprises a residential community micro-energy network, a commercial park micro-energy network, an industrial area micro-energy network and an agricultural area micro-energy network, wherein each of the residential community micro-energy network, the commercial park micro-energy network, the industrial area micro-energy network and the agricultural area micro-energy network comprises an input unit, an intermediate energy production, conversion and storage unitand an output unit; the input unit is connected with an external power grid, a municipal heat supply network and a natural gas network, is also connected with other micro-energy networks, and inputs electric energy and heat energy of the other micro-energy networks; the intermediate energy production, conversion and storage unit comprises a cold bus, a heat bus, an electric bus, an energy conversion device and an energy storage device; and the output unit outputs cold, heat and electricity to meet cold, heat and electricity requirements of users in the micro-energy networks, redundant electricity is connected to the networks or is supplied to the other micro-energy networks, and redundant heat energy is supplied to the other micro-energy networks. The user-side micro-energy network energysupply system can realize clean and efficient, energy-saving and environment-friendly gradient utilization, complementary coordination, safety and high quality of the whole process of energy production, transmission and utilization.