Preparation method for horsetail embroidery thread

The invention discloses a preparation method for a horsetail embroidery thread. A colorful horsetail embroidery thread can be dyed and prepared according to the processes of taking horsetail as a raw material, finely selecting the raw material, cleaning the raw material, bleaching, softening, dyeing, waxing and trimming. In the dyeing step, a dark color dyeing scheme, a moderate color dyeing scheme, a light color dyeing scheme and a special color dyeing scheme are divided according to the gradation of color. The horsetail embroidery thread prepared according to the method provided by the invention is bright in color, soft and elastic, is abundant and uniform in color and luster and is long-lasting and unfading; the horsetail embroidery thread is suitable for embroidering the patterns, such as, figures, landscapes, buildings and animals; the embroidery is fine and dense in needle lines, is bright in color and is unique in style; and the embroidery embroidered with the horsetail embroidery thread is wear-resist