Abstract:Hatu gold deposit, located in the south of western junggar region of Xinjiang, is one of the important gold deposits in the Hatu gold belt. In this paper, fluid inclusion composition analysis of quartz in quartz vein samples of gold mine is carried out, and the characteristics of sulfur isotopes of arsenopyrite and pyrite as well as carbon and oxygen isotopes in calcite were analyzed. It can be seen that the gas phase composition of inclusion is mainly H2O, followed by CO2 and N2. The cations in the liquid phase were mainly Na+ and Ca2+, while the anions were mainly Cl- and SO42-. From early stage to late stage, H2O content increased while CO2, Na+ and Cl- plasma content decreased. The sulfur isotope composition of sulfide is -2.9‰ ~ +0.8‰, which is concentrated in the range of 0‰+3‰, the sulfur of ore-forming material comes from magmatic fluid or ore-bearing country rock. The carbon and oxygen isotopic composition of the calcite is δ13CPDB= -11.4‰ ~ -9.2‰, and δ18OSMOW = +8.5‰ ~+17.4 ‰, the ore-forming fluid is considered to be a mixture of meteoric precipitation and magmatic water. Hatu gold deposit has similar ore-bearing strata and metallogenic time to Muruntau gold deposit, the possibility of finding Muruntau type gold deposit in hatu area can be considered.