Group 1 - The core point of the article is the optimization of ticket discount measures for children and disabled military and police personnel, which started on September 6 [1] - The calculation basis for discount tickets on high-speed trains has changed from published ticket prices to executed ticket prices, with a minimum discount of 40% off the published price [3] - According to the relevant regulations, children aged 6 to 14 must purchase discounted children's tickets, and each adult can carry one child under 6 for free, while additional children must have tickets [5] Group 2 - After the optimization, children's discount tickets for high-speed trains will be priced at 50% of the executed ticket price for second-class and first-class seats, and 80% for special class, premium first class, and business class [7] - For sleeper tickets, the discount will be 70% of the executed ticket price, with a minimum discount of 40% off the published price, facilitating family travel [7] - Individuals holding certificates for disabled military personnel, disabled police officers, or disabled members of the national fire rescue team can purchase preferential tickets at 50% of the executed ticket price, with a minimum discount of 40% off the published price [9]