Abstract Powder metallurgy technology(PMT) in preparation of thrmal stress relax functionally gradient materials was summaried.The prospect of proparation of bio-FGM was presented.

• 综述了热应力缓和型梯度材料制备中的粉末冶金技术，并根据粉末冶金技术在生物梯度材料制备中的现状预测了其发展趋势。