What legal knowledge do you need to know to become a lawyer? It depends on what kind of lawyer you are. Criminal lawyers know the rules of criminal law and evidence of criminal procedure, etc. 2. Civi

What legal knowledge do you need to know to become a lawyer? It depends on what kind of lawyer you are. Criminal lawyers know the rules of criminal law and evidence of criminal procedure, etc. 2. Civil and commercial law is a little better than general civil and commercial law, and they have rich social experience. 3. No matter what lawyers do, they must know social science and have rich and extensive network resources and case sources.