Abstrcat>The polysaccharides of 8 species of pteridophytes were extracted and their contents were tested by phenol-sulfuric acid method.

• 从8种蕨类植物中提取多糖,采用苯酚硫酸法测定多糖的含量,并采用纸片扩散法研究多糖对8种细菌和真菌的抑制效果。