Pseudostellaria heterophylla commonly known as TaiZi Shen in China, is the dry roots of HaiErShen in Caryophy -llaceae family & a famous tonic herb originally included in the New Compilation of Materia Medica of Qing Dynasty . It mainly grows in Fujian, Guizhou, and Jiangsu, and is widely planted in Zherong of Fujian Province. The medical ingredients of Pseudostellaria heterophylla are rich in polysaccharides, saponins, and cyclopeptides, providing valuable medical and nutritive efficacy. According to clinical trials, Pseudostellaria heterophylla is beneficial to our spleens and lungs; it is oxidation resistant, antiinflammatory and applicable to immune regulation and probiotic strains. Clinical studies of modern Chinese medicine have verified the multiple biological activities of polysaccha -rides in most herbs. It is also reported that the polysaccharides of Pseudostellaria heterophylla are highly conducive to immunity, cell differentiation, antioxidation, and adjuvant diabetes treatment.