1. charging facilities: charging facilities can be added in subway stations and carriages to facilitate passengers to charge.

2.WiFi network: Free WiFi network can be provided in the subway car to facilitate passengers to surf the Internet.

3. Fitness facilities: treadmills, dumbbells and other fitness facilities can be added in the subway station to facilitate passengers to exercise while waiting for the subway.

4. Catering facilities: Snack bars, convenience stores and other catering facilities can be added in the subway station to facilitate passengers to buy food and daily necessities in the subway station.

5. Children's play area: Children's play area can be added in the subway station to provide some children's play facilities for parents to take their children to play while waiting for the subway.

6. In-station navigation system: A navigation system can be added in the subway station to facilitate passengers to quickly find the subway station and exit.

7. Automatic ticket vending machines and self-service facilities: Automatic ticket vending machines and self-service facilities can be added in the subway station to facilitate passengers to purchase tickets and inquire information.

8. Air purification facilities: Air purification facilities can be added in the subway car to improve the air quality inside the car and ensure the health of passengers.

9. Voice broadcast system: A voice broadcast system can be added in the subway car to facilitate passengers to obtain station and boarding information.

10. emergency rescue facilities: emergency rescue facilities, such as first aid boxes and fire extinguishers, can be added in subway stations and carriages for emergency use.

Generally speaking, the subway can improve the travel and use experience of passengers and improve the quality and level of urban public transport services by adding various convenience facilities.