对云南哀牢山的变质岩、混合岩及脉岩中包裹体的化学成分及碳、氢、氧进行研究 ,结果表明 ,哀牢山变质流体有多种来源 ,流体成分复杂。有互不混溶的流体水、CO2 、有机物。水主要来源于古海水和大气降水 ,少部分来源于深部岩浆水 ;有机质来源于沉积岩生物质 ;CO2 多数来源于碳酸盐岩 ,少数来源于有机质的氧化分解。这些流体受构造运动的驱动而活化迁移 ,成为成矿物质的搬运介质 ,参与了本区岩石的改造 ,是形成本区伟晶岩的重要流体来源 The chemical composition, carbon, hydrogen and oxygen contents of metamorphic rocks, mixed rocks and vein rocks in Ailao Mountain, Yunnan Province are studied. The results show that the Ailao Mountain metamorphic fluid has many sources and the fluid composition is complex. There are immiscible fluid water, CO2, organic matter. Water mainly comes from ancient sea water and atmospheric precipitation, and a small part comes from deep magmatic water. Organic matter comes from sedimentary rock biomass. Most of CO2 comes from carbonate rock and a few comes from oxidation and decomposition of organic matter. These fluids are activated and migrated by the tectonic movement and become the transport medium of ore-forming materials. They are involved in the alteration of rocks in this area and are important fluid sources for forming pegmatites in this area