Abstract:[Objective] The effects of culture media containing different contents of Salix psammophila, a kind of ecological products, on the quality of Stropharia rugosoannulata were explored to provide a scientific basis for the cultivation of S. psammophila at Yulin sand area in Shaanxi Province. [Methods] Using S. psammophila branches and wheat straw as the main raw materials, four cultivation material formulas with varying S. psammophila contents were set up. The effects of different S. psammophila cultivation substrate ratios on the yield, morphological characteristics, nutritional components, and mineral and heavy metal contents of S. rugosoannulata were studied, and the experimental results were comprehensively analyzed using gray relational analysis. [Results] ① When using S. psammophila branches and wheat straw to cultivate S. rugosoannulata, the yield of S. rugosoannulata increased with increasing S. psammophila content. The pure S. psammophila sawdust added quicklime (X1) formula performed the best, with a yield of 7.42 kg/m2, which was 4.33 kg/m2 higher than that of the control (CK) group, and a biotransformation rate of 49.5%. Simultaneously, the protein content (41.5%) and mushroom shape index (0.81) in the X1 formula were 4.06% and 0.14% higher, respectively, than those in the CK group. ② Using the gray correlation method to comprehensively analyze the yield, nutritional value, mineral content, and heavy metal content, the weighted correlation between pure S. psammophila shavings and the ideal sequence was determined to be the highest at 0.818. [Conclusion] The fermented S. psammophila could be used as a cultivation material for S. rugosoannulata, that is, the problem of S. psammophila branches can be solved by cultivating S. rugosoannulata, providing new ideas for the utilization of S. psammophila resources in sandy areas.