In this pepcr the effects of Epimedium and other Chinese drugs invigorating kidney on delayed footpad hypersensitivity in mice was studied. Given 60% decoction of these Chinese drugs 0.5 ml q.d. for 8 days, the mice were sensitized on the 4th day of administration by injection of SRBC intraperitoneally [and challenged no the 8th day by injection of SRBC into subcutaneous tissue of footpad. The amount of the swelling of footpad was measured 24 hrs. after challenge. The footpad swelling in C57BL mice was sign...