PURPOSE: To provide the subject fiber having good touch feeling, heat-insulating property and flexibility and contributing to the health of human bodies by attaching a purified element such as Y, Sr or V, the finely ground bone powder of a herbivorous animal, etc., to a fiber raw material by an integrative treatment method.

CONSTITUTION: At least the first group raw materials among the first group raw materials consisting of purified elements such as yttrium, strontium and vanadium and the second group raw materials consisting of the raw, sintered or highly pressure, finely ground bone powders of herbivorous animals are attached to a fiber raw material consisting of a synthetic fiber raw material, animal fiber raw material, vegetable fiber raw material, a combination thereof, etc., by an integrative treatment method such as an impregnation, filling or coating method to provide the objective fiber having a wave effect.