The invention discloses a hypergravity-process triglycol natural gas dehydration system which is characterized in that the outlet of a filtering separator is connected with the side inlet of a first hypergravity machine; the upper outlet of the first hypergravity machine is connected with the inlet of a gas-liquid separator; the lower outlet of the hypergravity machine is connected with the inlet of a heat exchanger; the outlet of the heat exchanger is connected with the inlet of a buffer tank; the outlet of the buffer tank is connected with the upper inlet of a second hypergravity machine; the upper outlet of the second hypergravity machine is connected with the inlet of a flash evaporation tank; the outlet of the flash evaporation tank is connected with the inlet of a pump; the outlet of the pump is connected with the upper inlet of the first hypergravity machine. According to the system, the characteristics of the enhanced absorption reactions of the hypergravity machines are utilized and high efficiency of triglycol is combined; the system has the advantages of simple equipment structure, small occupied area, easiness for dehydration, good operating flexibility, high efficiency and the like, and is a novel technology for removing the moisture in natural gas of an offshore platform.