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The paper discused on the processing technology of the worsted wool yarn of high percentage of tussah. According to the property of dye and spun for tussah, we optimized and improved the technology from dyeing, re-washing process, combing to spinning. During the tussah production process many experiments were done on the key process technology and the quality control. The practice showed that the colorability was the best at 90 °C to keep temperature time, it may reduce static generation in the combing process by re-washing twice and adding oil-water agent twice, quality of yarn was the best under the condition of ensuring the relative humidity of the former spinning workshop and the storage time of the wool top from the first needle carding process, and at same time some main parts such as the roller should be treated especially. [ABSTRACT FROM AUTHOR]