Exudates collected from the bark surface of Calocedrus formosana (Florin) Florin were isolated and purified by using TLC and HPLC. Results obtained from the analyses of ElMS, FTIR, ^1H-NMR, ^(13)C-NMR, and 2D-NMR including HMQC, HMBC, ^1H-^1H COSY, TOCSY, and NOESY confirmed that the yellowish oily compound was ferruginol.