The application of naturaldyestuff-Coptis Chinensis on dyeing of the tussah silk was discussed, and the optimal process was given.
探讨了天然染料黄连在柞蚕丝绸染色中的应用，确定出合理的染色工艺。
2
The application of natural dyes in China is illustrated in brief, and introduction to the progress of the applied study of plant dyestuff in the dyeing and health care is given.