Abstract: With the continuous increase of railway operating mileage in China, the railway construction technology has reached the world's leading level. But comparing with the developed countries in the aspect of the passenger service, especially the humanistic care, there is still a big gap. This paper analyzed the present situation of barrier free service in China and abroad, and the barrier free service in China railway service, based on this, built a framework for the barrier free service system, put forward an intelligent railway barrier free service system, introduced the related intelligent devices in detail, furthermore, developed a railway passengers barrier free service system based on the Python language and under the Django 2.0.2 environment. This system could meet the full requirements of various passengers, and guarantee the safe travel and convenient travel for passengers.