The invention discloses a relay protection information printing method and system, and the method comprises the following steps: obtaining and analyzing original data which needs to be printed, obtaining modular data, and enabling the modular data to correspond to data in a database; transmitting the modular data to a database to match data encapsulation in the database; and obtaining a data package issued by the database, and transmitting the data package to the printing assembly to realize printing. Furthermore, when the original data needing to be printed are obtained, the data needing to be printed of the relay protection device are obtained through a data collection module in the transformer substation; by adopting a three-layer architecture mode of a user interface layer, a service processing layer and a data storage layer, one information printing platform is integrally divided into different components, the problems are separately solved, and the complexity is reduced.