HG/T 4447-2012 "Spinning & weaving dyeing and finishing aids, scouring agents, general test method" stipulates a general test method for scouring agents in Spinning & weaving dyeing and finishing aids. This standard is applicable to evaluate the effect of scouring agents in the pre-treatment of cotton Spinning & weaving products. The treatment effect of scouring agents is evaluated by testing the gross efficiency and whiteness of cotton fabrics, and its basic performance such as permeability and alkali resistance Stability is determined to judge the application performance and effect of scouring agents. The implementation of this standard helps the Spinning & weaving industry to ensure product mass and production efficiency, and to promote the optimization and improvement of pre-treatment processes.