从生态及解剖的角度，研究制革污泥对杉木（Cunninghamia lanceolata ）木材结构及周围环境的影响，结果表明：施用制革污泥的杉木的生长轮比未施制革污泥的杉木生长轮宽，心材颜色深，早材管胞的长度、弦向直径、射线频率和高度、壁的厚度均比未施制革污泥的杉木相应值高，制革污泥使杉木木材组成分子的数量特征值增加，这说明制革污泥促进了杉木的生长，使其生长最快时期提前３～４年，缩短了主伐周期，促进了具有较强吸收铬的能力的凤尾蕨的生长，且改变了周围的环境。制革污泥是工业废弃物，它可作为杉木的一种肥料，为利用制革污泥提供了一种生物解决方法。

The influence of wood structure of China fir (C. lanceolata) caused by tanning sludges was investigated. The reason of wood structure variation and the floras changes under the forestry was analysed through the main composition of tanning sludge and soil. The results showed that the quantitative of the growth ring width, the tangential diameter and length of early wood tracheids and their wall thickness, the ray frequency and height of the wood applied with tanning sludges were greater than those trees of unapplied tanning sludge : The tanning sludges can promote the growth  of the trees move up 3-4 years of fastest growing period and shortened the main cutting periad which can also promote the growth. of Pteris nervosa for absorbing Cr to improve the surrounding. This is a biological disposal to utilize the tanning sludge as a fertilizer in China fir plantation and decrease the polution of industrial waste materials.