Abstract: Eight sample plots were set in the glacier retreated area of Hailuogou. By investigating biomass, determining the carbon content, calculating carbon storage and analyzing the changes of carbon pools, the carbon dynamic changes of the primary succession sequence was explored. Results show that the carbon storage of 8 plots are 4.36, 51.29, 122.08, 145.86, 169.08, 226.55, 321.02, 346.10 t/hm², respectively. Carbon storage in arbor and soil layers account for more than 85% of the whole succession sequence, in which the proportion of soil continue to increase from 21.20% of S1 to 41.86% of S8, while the proportion of arbor increases first and then decreases, from 66.37% of S1 to 52.16% of S8, the proportion of other layers in each stage is small. Through the determination of vegetation carbon content and carbon storage in each stage, the carbon distribution and carbon storage pattern of different stages of primary succession are constructed. This has positive implications for studying the carbon cycle and vegetation restoration in the process of primary succession.