The service platforms are different.

The main reason is that the service platforms relied on are different, the objects of collecting data are different, and the functions are different.

The travel code can only analyze the location and movement trajectory of the mobile phone through the base station, and is only a tool to assist in proving the personal travel trajectory.

The health code is a tool that helps prove whether an individual is healthy in relation to the epidemic by analyzing data on health, industry, information technology, transportation and other aspects.

The “epidemic prevention health code” of the national government service platform integrates the “communication big data itinerary card.