Legal analysis: At present, there is no uniform standard for the purchase of children's movie tickets in China. Different cinemas have different rules. Usually, children who are free of charge are under 6 years old or under 1.2 meters in height. Half-price discount range for children is 6- 14 years old or height1.2-1.5m. Those who meet their age or height can enjoy relevant preferential treatment.

Legal basis: Article 44 of the Law of People's Republic of China (PRC) on the Protection of Minors, patriotic education bases, libraries, youth palaces, children's activity centers and Children's Home should be open to minors free of charge; Museums, memorial halls, science and technology museums, exhibition halls, art galleries, cultural centers, community public Internet service places, theaters, stadiums, zoos, botanical gardens, parks and other places shall be open to minors free of charge or with preferential treatment in accordance with relevant regulations. The state encourages patriotic education bases, museums, science and technology museums, art galleries and other public places to set up special sessions for minors to provide targeted services for minors. The state encourages state organs, enterprises, institutions and troops to develop their own educational resources and set up open days for minors to provide support for minors' thematic education, social practice and professional experience. The state encourages scientific research institutions and scientific and technological social organizations to carry out scientific popularization activities for minors.