GB/T 7076-1997 is a test standard for the cross-dyeing fastness of wool in Spinning & weaving products. It specifies in detail the method for testing the colour fastness of wool during the cross-dyeing process, covering the scope of application, the equipment and reagents required for the test, the specific operation process, including the selection and use of dyestuff, dyeing process parameters, etc., and also clarifies the result evaluation criteria. According to this standard test, the Color Stability of wool after cross-dyeing treatment can be accurately evaluated, which provides an important basis for Spinning & weaving enterprises to optimize the dyeing process and quality control of wool products, and helps to improve the quality of wool Spinning & weaving products.