Abstract:Comparative experiments on difference between the first and regenerative bark of Quercus suber Land Quercus variabilis BI in stripping degree of diffcalty, bark content, regeneration speed and rate, outwardappearance, quality, chemical composction, geographical position have been carried out.Theirs results showthat tile bark of Quercus suber L is better in guality, regenerative capacity, thickness, stripping efficiency, economic benefit. It's a fine cork tree, and chinese cork can be transformed with it.