Objective: To observe the clinic influence and corresponding immunological function changes in treating malignant tumor patients by Yiyuan Huoxue Tang. Method: Fifty-six malignant tumor patients in chemotherapy were randomly divided into two groups. Twenty-nine patients in treatment group were treated with Yiyuanhuoxue recipe

twenty-seven patients in control group were treated with chemotherapeutical agents. The expression of T lymphocyte subsets

immunoglobulins

Ag-nors observed before and after treatment in both groups. Result: Yiyuan Huoxue Tang had defend function for cellular immune of malignant tumor patients in chemotherapy

could elevate the level of CD3

CD4

CD4/CD8 and Ag-Nors. There was no significant influence in immunoglobulin. Conclusion: Yiyuan Huoxue Tang has good therapeutic effects on the cellular immune function.