This paper mainly introduced the technical standard of HG/T 5367.4-2020 Coatings for Rail Transit Vehicles Part 4: Fireproof Coatings, and listed some problems in the current standards. For technical performance requirements, it was suggested to refer to GB 14907-2018 Fire Resistive Coating for Steel Structure. At the same time, some good ideas were advised from the view of the application characteristics of fireproof coatings for rail transit vehicles.