Water soluble PVA fiber is a particular kind fiber which can soluble in normal temperature, the solution temperature of this fiber are from 40~90 celsius degree, it is widely used in non-woven fabric, papermaking, spinning and weaving, medical treatment and health care etc. Especially, woven or non-woven fabrics made from it are used as embroidery linings, on which various lace designs can be embroidered, and after it is dissolved, all kinds of beautiful laces come into being. Besides ,it can extensively be used to produce sanitary sheets for women, baby napkins, medical and sanitary articles. in addition, it can also be used for vegetable seedings, planting crops and fruit trees to improve the output. this fiber can be used in textile to increase yarn count, level sizing and spin twistless yarn etc.