Criminal defense lawyer is the abbreviation of criminal defense lawyer, which refers to a lawyer who has obtained a lawyer's practice certificate in People's Republic of China (PRC) and takes criminal defense legal services as his whole business or main business, and specializes in providing criminal defense for criminal suspects and defendants.

Criminal defense is generally divided into three stages, namely, criminal investigation stage, criminal examination and prosecution stage and criminal trial (first instance and second instance) stage. At different stages of criminal proceedings, the work content of lawyers is different.

Tian Wenchang

Tian Wenchang, born in 1947, master of criminal law in northwest university of politics and law, lawyer, founder and honorary director of Kyoto Law Firm. Director of all china lawyers association Criminal Business Committee, Dean of northwest university of politics and law Advanced Criminal Defence College. Known for being good at dealing with all kinds of typical and difficult legal affairs.

Tian Wenchang has made great achievements in teaching, scientific research and case handling, and published more than one million words of academic papers, translations, monographs and teaching materials. CCTV's Sons of the Orient, Tell the Truth, 360 Lines, Face to Face, People and First Line have made many exclusive reports on him.