Plateau train oxygen generation and air supply system and train

The invention provides a plateau train oxygen generation and air supply system and a train. The plateau train oxygen generation and air supply system comprises a first air cylinder, a second air cylinder, an oxygen generator, a first electromagnetic valve, a second electromagnetic valve, a controller and an air compressor unit, and the air compressor unit is connected with the oxygen generator through the first air cylinder; an oxygen-enriched output port of the oxygen generator is connected with a carriage oxygen supply device, a nitrogen-enriched output port of the oxygen generator is connected with a second air cylinder, and an output port of the second air cylinder is connected with a carriage air supply system; the first electromagnetic valve is located between the air compressor and the first air cylinder, and the second electromagnetic valve is located between the air compressor and the second air cylinder. The controller controls the opening degree of the first electromagnetic valve and the opening de