This book constitutes the thoroughly refereed workshop proceedings of the 7th International Workshop on Structured Object-Oriented Formal Language and Method, SOFL+MSVL 2017, held in Xi'an, China, in November 2017. The 13 revised full papers included in the volume were carefully reviewed and selected from 21 submissions. They are organized in the following topical sections: animation and prototyping; graph theory; model checking; modeling and specification; and verification and validation.