Many plant-derived substances have fungitoxic, pecticidal and insecticidal ability. Natural extractives from plants are an alternative to synthetic or inorganic chemicals as wood preservatives for wood protection. This thesis chooses water extractives of Cinnamomum camphora leaves as the potential plant extracts for wood protection, mainly reserches its antibacterial properties, anticorrosive property and mildew resistance of the treaed wood, the influence of the preservative treatment on the mechanical pro...