Can I apply to the whole public security bureau to withdraw the lawsuit?

Legal analysis: as far as legal provisions are concerned, of course. First, it depends on whether it meets the conditions for applying for withdrawal. Second, it needs the approval of the person in charge of the investigation organ, and so on. The specific situation can be analyzed in detail. Relevant regulations: The stipulated parties include the victim, the private prosecutor, the criminal suspect, the defendant, the plaintiff and the defendant in the incidental civil action, and the legal representatives of the above-mentioned persons. At the same time, defenders and agents ad litem may also request withdrawal. Legal basis: People's Republic of China (PRC) Criminal Procedure Law

Article 44 A defender or other person shall not help a criminal suspect or defendant to conceal, destroy, forge evidence or collude with others, and shall not threaten or induce witnesses to commit perjury or engage in other acts that hinder judicial proceedings. Anyone who violates the provisions of the preceding paragraph shall be investigated for legal responsibility according to law. If a defender is suspected of committing a crime, it shall be handled by an investigation organ other than the investigation organ where the defender undertakes the case. If the defender is a lawyer, he shall promptly notify the law firm where he belongs or the lawyers association to which he belongs.

article 45 during the trial, the defendant may refuse the defender to continue to defend him, or entrust another defender to defend him.