Method for preparing worsted and woolen elastic trousering

The invention discloses a method for preparing worsted and woolen elastic trousering. The method comprises the following steps that worsted wool yarns are prepared; worsted elastic yarns are prepared through sirospun; woolen yarns are prepared through ring spinning; the prepared worsted wool yarns, the prepared worsted elastic yarns and the prepared woolen yarns are woven in the mode that the worsted wool yarns serving as warp yarns, the worsted elastic yarns serving as weft yarns and the woolen yarns are arranged at intervals to conduct battening, and gray fabric of the worsted and woolen elastic trousering is obtained; afterfinish is conduced on the gray fabric of the worsted and woolen elastic trousering to finally obtain a finished product. According to the method, firstly, the special weaving mode that the worsted wool yarns serving as warp yarns, the worsted elastic yarns serving as weft yarns and the woolen yarns are arranged at intervals to conduct battening is elaborately selected, in addition, raw materials and the use proportion of the raw materials are reasonably selected, improvement is conducted on the technology from dyeing and willey to sirospun and ring spinning or equipment, worsted and woolen are successfully and perfectly combined by accurately controlling the weaving, dyeing and finishing process, the product is made to have the good clothes application performance, cost is lowered, and good application prospects are achieved.