Abstract: To investigate the influence of material and fabric structure on the properties of decating blanket and improve the decating quality of wool fabrics,this paper has developed 13 kinds of decating blanket samples according to the requirements of decating blankets.The properties of the developed decating blankets such as strength,work-to-break,permeability,water vapor permeability and thickness are tested.The evaluative value of combined properties of each decating blanket is obtained by fuzzy mathematics to analyze and calculate the testing results.It is found that the wool decating blankets which use pure Tencel or Tencel/cotton as weft yarn can get good decating effect,and the productivity is up and energy consumption is down.When compared with pure cotton decating blankets,they have longer service life.However,when the weft density of the decating blanket should be increased to a proper extent,or otherwise its combined properties will decrease.