Abstract: The alpine marsh wetland in Maixi Township, Zoige County, which had been carrying out the water-level elevation and vegetation restoration projects for many years, were taken as the research object. Soil samples of different soil layers (0-20 cm, 20-40 cm, 40-60 cm, 60-80 cm) were collected from the heavily degraded (HD) wetland, non-degraded (UD) wetland and wetlands under different restoration models, and the changes of soil organic carbon compositions and their relationships with soil factors were analyzed. The results showed that different restoration measures could cause significant differences in the total organic carbon contents of degraded wetlands soil among different soil layers, but the replanting-grass-seed measure could not significantly improve the total organic carbon content in each soil layer. The restoration measures had no significant effects on the contents of heavy fraction organic carbon and light fraction organic carbon in degraded wetland soil. Based on the comprehensive RDA analysis, the single replanting-grass-seed measure could not fundamentally improve the wetland degradation in a short period of time, and the water-level elevation measure could improve the soil carbon fractions close to the non-degraded wetland. Soil TN was the most critical factor affecting the soil organic carbon composition and can be used as a key indicator to reflect the recovery of alpine marsh wetland.