Is it taboo to change lawyers in criminal cases?

Legal subjectivity:

Lawyers can be changed in criminal cases. If the lawyer is the defendant's defender during the trial, the defendant may refuse the defender to continue to defend him, or entrust another defender to defend him. The duty of a defender in a criminal case is to provide materials and opinions on the innocence, light crime or reduction or exemption of criminal responsibility of a criminal suspect or defendant according to facts and laws, and to safeguard the litigation rights and other legitimate rights and interests of the criminal suspect or defendant. Defense lawyers can provide legal aid to criminal suspects during investigation, including representing complaints and accusations; Apply for changing compulsory measures; Ask the investigation organ about the crimes and cases suspected by the criminal suspect, and put forward opinions.

Legal objectivity:

Article 33 of the Criminal Procedure Law: In addition to exercising the right of defense, a criminal suspect or defendant may entrust one or two persons as defenders. The following persons may be entrusted as defenders: (1) lawyers; (2) A person recommended by a people's organization or the unit to which the criminal suspect or defendant belongs; (3) Guardians, relatives and friends of criminal suspects and defendants. A person who has been sentenced to punishment according to law or deprived of or restricted personal freedom shall not act as a defender. A person who has been dismissed from public office or has his lawyer's or notary's practice certificate revoked may not act as a defender, except the guardian or near relative of the criminal suspect or defendant.