The functions of wind-drugs are as follows: to elevate Yang and regulate Qi

to direct herbal actions to the diseased site or meridian

to dispel wind and overcome dampness

and to open Xuanfu（ sweat pore）. We regard"Neifeng Anxuan（ secret whirling of internal wind） "as the main pathological character of tumor. Because of the asthenia of healthy Qi and the sthenia of pathogenic Qi as well as the imbalance of Qi

blood

Yin and Yang

the Qi movement of the tumor patients get disturbed

which induces the formation of internal wind. The internal wind

easily combined with the pathogenic accumulations and gatherings

could run through the Zang

Fu

meridians and collaterals all over the body together with the phlegm

the toxin and the stasis. Finally

these factors"detain and not leave"

and result in diseases. We propose that

in the treatment of tumor

the wind-drugs could regulate Qi movement and strengthen body resistance and direct herbal actions to the diseased site. We could also perform syndrome differentiation aimed at the sthenia of pathogenic Qi. Through all these

we could have more ideas for treating cancer in clinic.