1, judicial justice, including substantive justice and procedural justice. This is required by the nature of judicial activities and the inherent spirit of law;
2. All citizens are equal before the law;
3. Take facts as the basis and law as the criterion. Based on facts is based on objective facts to exclude subjective imagination, analysis and judgment. Cases should be tried in accordance with legal standards and scales, and legal procedures should be strictly followed;
4. The judicial organs independently exercise their functions and powers according to law.
Criminal Procedure Law of the People's Republic of China
Article 18
According to the international treaties concluded or acceded to by People's Republic of China (PRC), or according to the principle of reciprocity, China judicial organs and foreign judicial organs may request mutual criminal judicial assistance. Article 19
The investigation of criminal cases shall be conducted by public security organs, except as otherwise provided by law.
Crimes such as illegal detention, extorting confessions by torture, and illegal search. When the people's procuratorate conducts legal supervision over litigation activities, it finds that judicial personnel use their powers to infringe upon citizens' rights and damage judicial justice, and may file a case for investigation. If a major criminal case of a functionary of a state organ under the jurisdiction of a public security organ needs to be directly accepted by a people's procuratorate, it may be placed on file for investigation upon the decision of a people's procuratorate at or above the provincial level.
Cases of private prosecution are directly accepted by the people's courts.