Pterocarpus (rosewood) is often used to construct high-end furniture. It also contains factors that affect human health. These components were studied in Pterocarpus erinaceus Poir by using PY-GC-MS, TDS-GC-MS, and GC-MS, together with a review of the literature. 3-O-Methyl-d-glucose can protect pancreatic B cells against alloxan toxicity, and can also improve the dry tolerance of keratinocytes. 7-Epi-cis-sesquisabinene hydrate has been used for treatment of spleen, stomach, and abdominal disorders, and diarrhea. 6-Isopropenyl-4,8a-dimethyl- 1,2,3,5,6,7,8,8a -octahydro-naphthalen-2-ol has antifungal and antitumor activity.