Drawing on the relevant legislation of other countries or regions, we can protect the rights of pledgees from building the systems of the loss of defective shares system, giving a presumption of defective shares and improving the relief ways of the pledgees. 借鉴其他国家或地区相关立法,从构建我国瑕疵股权失权制度、瑕疵股权的股权推定制度以及瑕疵股权质权人的救济途径三个方面来保护瑕疵股权质权人的权利。