Article 40 of the Constitution stipulates that the freedom and privacy of communication of citizens of the people's Republic of China are protected by law. No organization or individual may infringe on citizens' freedom and privacy of communication for any reason, except that the public security organ or procuratorial organ shall inspect communications in accordance with the procedures prescribed by law for the needs of national security or the investigation of criminal crimes.
According to the above provisions, a municipal people's court could not check all the call records of the party Wang that had nothing to do with the case.