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