[Strengthening body resistance and archaeus herbs are those medicines used on asthenia syndrome of tumor, which can harmonize yin and yang, replenish deficiency of qi and blood, and improve entrails function, enhance physical capacity, and improve immunity function. They are intimate manifestation of strengthening body resistance and archaeus method on clinic. Study shows that strengthening body resistance and archaeus herbs have many effects, such as improving and adjusting immunity function, protecting bone marrow, improving haematogenesis function, raising digest and absorb function, improving substance metabolism, preventing gene mutation, inhibiting tumor cell proliferation, inducing tumor cell differentiation or apoptosis, resisting tumor invasion and metastasis, inhibiting formation of tumor vessel and activity of telomerase, etc. It's possibly the result of synergistic effect by multi-pathway and multi-target. Because strengthening body resistance and archaeus herbs are of variety and different herbs have different specificity, further research is needed to reveal the precise mechanism of them.