The internship categories of trainee lawyers are as follows:

1. Litigation trainee lawyers: assist lawyers in handling litigation cases in law firms or legal institutions, including preparing legal documents, Research legal issues, participate in court trials, etc.

2. Corporate legal intern lawyer: In the legal department of a company or organization, assist the legal team in handling contract drafting and review, legal risk assessment, legal consultation and other related matters.

3. Criminal defense trainee lawyer: In a criminal law firm or a team of lawyers, assist lawyers in defending defendants, including reviewing evidence, communicating with parties, participating in court trials, etc.

4. Intellectual property lawyer intern: assist lawyers in handling patent, trademark, copyright and other cases in law firms or institutions specializing in the field of intellectual property, including document drafting, investigation and research, intellectual property rights Protection etc.

5. Compliance and regulatory trainee lawyer: assist lawyers in handling compliance and regulatory matters in law firms, financial institutions or enterprises, including legal compliance assessment, compliance policy formulation, risk management, etc. . These are just some of the common areas that trainee solicitors are involved in. In fact, the legal profession is very broad and there are many other fields and specializations.