Abstract: The previous research has been concentrated on the dehydration resistance of the seedlings in the two halophytes: Haloxylon ammodendron and Suaeda physophora. Comparing with the psammophyte Haloxylon persicum, both the seedling survival rate and the root damage after the desiccation were investigated, the results showed that: No significant difference was found in the survival rates of H. persicum among the 7, 14, 21 and 28 days desiccation treatments, however, the survival rates of H. ammodendron and S. physophora has been significantly decreased with the desiccated duration, in which the seedlings of S. physophora were all died in the 28 days desiccation treatment. The seedling root of H. persicum was rarely damaged by the 28 days desiccation treatments, which was better than that in H. ammodendron, in the 300 mmol/L NaCl treatment, the root tip of the H. ammodendron seedlings were all bended and died. It was showed that H. persicum, H. ammodendron and S. physophora were all “homoiochlorophyllous” resurrection plants, they would not degrade their chlorophyll during the desiccation time, and could survive fast when the water supplied again, which was an important adapt strategy to the extremely drought environment.