You can take the train without ID card. Passengers can buy train tickets with valid certificates that can prove their identity, or carry their household registration book to the window of relevant authorities of the railway station to apply for temporary identity certificates. They can buy tickets and get on the train with temporary identity certificates. Train, also known as railway train, refers to the vehicle running on the railway track. It is usually composed of multiple carriages. It is one of the important modern means of transportation of mankind.
By 2021, domestic trains are divided into green cars and multiple units. According to the load, railway trains can be divided into freight wagons, passenger cars and mixed passenger and freight vehicles.
With the popularity of trains, the travel mode of people riding horses (or other livestock as the main power) has been changed. Early Chinese train cars were green, so they were called green trains. （MeiYouShenFenZhengKeYiZuoHuoCheMa）