Judicial review of international investment treaty arbitration can support and supervise international investment treaty arbitration, and ease the legality crisis of international investment treaty arbitration to ensure its healthy and sustainable development. The judicial review of international investment treaty arbitration has particularities such as value orientation, review focus, rights and interests. The current judicial review of international investment treaty arbitration is faced with lack of transparency requirements of the arbitration procedure in treaty, the unclear qualifications of judicial review subjects, the recognition and enforcement of set-aside awards are disputed, and the connotation of arbitration agreements is narrow. In order to achieve a balance between the maintenance of the interests of investors and the host state, it is necessary to be improved by adding arbitration procedures transparency clauses in the treaties, clarifying the subject qualifications of the host country’s courts for the recognition and enforcement of judicial review, emphasizing non-recognition and enforcement of set-aside awards, and expanding the scope of arbitration agreements in domestic laws.