Cellular immunity plays an important role in defense against diseases, such as pathogenic infection, autoimmunity and tumor.

Objective to identify the changes of cellular immunity in malignant patients, and to look for the relatively ideal indicators which can really reflect immune ability of malignant patients.

Drugs in the "Decoction Vitiligo" may have the ability of increase cellular. immunity and contain many "few element", such as copper, zine etc.