1. Corporate criminal law risk prevention training and consultation

2. Providing legal assistance to criminal suspects during the investigation phase

3. Serving as a defender and litigation agent during the review and prosecution stage

4. Serving as the first-instance defender of public prosecution cases

5. Serving as the second-instance defender of the public prosecution case

6. Attorney acting as a victim of a public prosecution case at the trial stage

7. Litigation agent and defender who act as parties to the private prosecution case

8. Acting as an attorney for a party with a civil action

9. Acting on behalf of the parties in the review of the death penalty, trial supervision, and implementation

10. Criminal case appeal