▎ 摘　　要

NOVELTY - Yarn comprises composite yarn and elastic fiber, where the composite yarn includes 30-50 wt.% silk, 15-20 wt.% polyester yarn, 10-15 wt.% Tencel, and cotton (balance). USE - The yarn is useful for textile. ADVANTAGE - The yarn has high-stretch and good mosquito repellent effect. DETAILED DESCRIPTION - preparing yarn, comprising (i) combing and drawing silk, polyester yarn, Tencel, and cotton to obtain a composite yarn, (ii) dispersing mosquito repellent filler in deionized water, adding ethanol and adjusting pH of mixture to 6, adding composite yarn, and performing padding at 70-80degreesC to obtain modified yarn, and (iii) drawing modified yarn and elastic fiber to obtain composite high-elastic yarn.