Legal analysis: you can entrust a lawyer to inquire about the other party's household registration information. But there are certain work norms. When inquiring about population information, a lawyer shall apply to the local police station (including the household registration center and accreditation center established by the public security organ, the same below) or the household registration management department of the county-level public security organ (hereinafter referred to as the inquiry unit) where the law firm is located or where the inquired person's account is located; If it is necessary to inquire about the contents other than the registered items specified in Article 2, it shall apply to the local police station where the inquired account is located.
Legal basis: Article 3 of the Lawyers Law of People's Republic of China (PRC), lawyers must abide by the Constitution and laws, and strictly abide by lawyers' professional ethics and practice discipline. Lawyers' practice must be based on facts and take the law as the criterion. Lawyers' practice should be supervised by the state, society and the parties concerned. Lawyers' legal practice is protected by law, and no organization or individual may infringe upon the legitimate rights and interests of lawyers.