Method of dyeing by using refined powder wadalee-gum-tree dye

The invention relates to a method of dyeing by using refined powder wadalee-gum-tree dye, which is characterized in that a direct dyeing method is adopted, and the direct dyeing method comprises a dyeing step and a post-treating step, wherein in the first step of dyeing, the use level of the refined powder wadalee-gum-tree dye is 1-5%, bath ratio is 1:40, the pH of dye bath is 5-8; dyeing is carried out at 20-40 DEG C, the temperature raising rate is 1-2 DEG C/min, temperature is raised to the dyeing temperature of 90-100 DEG C, and temperature is kept for 40-60min; in the second step of post-treating, the dyeing textile materials is cleaned with 0.5-20.0g/L 209 detergent, the cleaning process comprises the steps of according to the bath ratio of1:20-1:40, adding the dyeing textile materials at normal temperature, raising temperature to 40-60 DEG C, maintaining temperature and cleaning for 10-20min, then cleaning with cold water and drying. The invention has the advantages of improving the dyeing performance