Legal analysis: The minimum age requirement for a judge is 23 years old. To become a judge, you must meet the following conditions: (1) have the nationality of the people of China; (2) At least 23 years old; (3) Supporting the Constitution of People's Republic of China (PRC); (4) Having good political and professional qualities and good conduct; (5) good health.
Legal basis: Article 9 of the Judges Law of People's Republic of China (PRC). The president, vice-president, members of the judicial committee, the president and the vice-president of the people's court shall, in addition to performing their judicial duties, also perform duties appropriate to their posts.