An analgesic-anti-inflammatory drug comprising quercetin-3-0-glucoside or a friedelan type compound (friedelin, friedelan-3-α-ol or friedelan-3-β-ol) separated from the alcohol extract of Maytenus ilicifolia as an effective component. The friedelan type compound has been already found to have an anti-ulcerative effect and therefore can be used as an analgesic-anti-inflammatory drug without any side effect such as gastrointestinal disorder (generation of ulcer), etc. as caused by a non-steroid anti-inflammatory analgesics.