Abstract Salam leaf (Syzygium polyanthum) is plant that contains flavonoids, tannins and euganol which work improve insulin function. This study uses 10 grams salam leaves boiled with 200 ml water to 100 ml. The purpose this study to determine effect salam leaf stew on blood sugar levels type II diabetes mellitus patients with the Quasy Experiment research design. The research sample 30 re…