What does the lawyer mean by a plea of not guilty?

The crime of innocent defense refers to the defendant and his defense lawyer defending the defendant in court. According to the provisions of Article 37 of the Criminal Procedure Law, the defender's duty is to provide materials and opinions on the innocence of criminal suspects and defendants, the mitigation of misdemeanors and the exemption from criminal responsibility, and to safeguard the litigation rights and other legitimate rights and interests of criminal suspects and defendants. Article 38 stipulates that defense lawyers may provide legal aid to criminal suspects in the process of investigation; Acting as an agent for complaints and accusations; Apply for changing compulsory measures; Understand the criminal suspect's accusation and case from the investigation organ. Article 3 of the Criminal Law of People's Republic of China (PRC): If it is clearly defined as a crime by law, it shall be convicted and punished according to law; If the law does not clearly stipulate that it is a criminal act, it shall not be convicted and punished. Article 12 of the Criminal Procedure Law: No one shall be found guilty without a judgment by the people's court according to law. Article 43 of the Criminal Procedure Law: Judges, prosecutors and investigators must collect all kinds of evidence that can prove the guilt or innocence of criminal suspects and defendants and the seriousness of the crime in accordance with legal procedures. It is strictly forbidden to extort confessions by torture and collect evidence by threats, enticements, deception or other illegal methods. Article 61 of the Supreme People's Court's Interpretation on Several Issues Concerning the Implementation of the Criminal Procedure Law of People's Republic of China (PRC): It is strictly forbidden to collect evidence by illegal means. Witnesses' testimony, victim's statements and defendant's statements obtained by extorting a confession by torture or by illegal means such as threats, enticements and deception cannot be used as the basis for finalizing the case. Article 11 of the Provisions of the Supreme People's Court, the Supreme People's Procuratorate, the Ministry of Public Security, the Ministry of National Security and the Ministry of Justice on Several Issues Concerning the Exclusion of Illegal Evidence in Handling Criminal Cases: If the public prosecutor cannot provide evidence to prove the legality of the defendant's pre-trial confession, or the evidence provided is not true or sufficient, the confession cannot be used as the basis for finalizing the case; Article 12 If the people's court of first instance refuses to examine the opinion put forward by the defendant and his defenders that the defendant's pre-trial confession was illegally obtained and takes the defendant's pre-trial confession as the final basis, the people's court of second instance shall examine the legality of the defendant's pre-trial confession. If the public prosecutor does not provide evidence to prove it, or the evidence provided is unreliable and insufficient, the defendant's confession cannot be used as the fundamental evidence of illegal words. Article 237 of the Criminal Law of People's Republic of China (PRC) * * * Whoever forcibly molests others or insults women by violence, coercion or other means shall be sentenced to fixed-term imprisonment of not more than five years or criminal detention. Whoever affrays in a public place or commits the crime mentioned in the preceding paragraph, or has other vile circumstances, shall be sentenced to fixed-term imprisonment of not less than five years. Whoever molests children shall be given a heavier punishment in accordance with the provisions of the preceding two paragraphs.