Sungkai (Peronema canescens Jack.) is one of woody plants which is usually found in the Southern part of Sumatra which is often used as an herbal plant by people for flu and fever. This research was aimed to know immunomodulator potency of Sungkai in mice (Mus muculus) and effect extract to proliferation of Saccharomyces cerevisiae yeast and leukocytes. Yeast proliferation is associated with in…