With the rapid development of modern science and technology, the "1+x" characteristic curriculum reform based on big data has received widespread attention from all walks of life in recent years as a phased and landmark achievement of my country's basic education reform. Oriented by cultivating talents that meet the needs of today's society, with the goal of environmental design related vocational qualification certificates, the main course teaching of the main teacher is the leading, environmental design guidance skills as the core competence, vocational skills training as the main line, and qualification verification. It is closely integrated with course teaching to realize the improvement of teaching quality and the construction of an evaluation model for the training of professional talents. The purpose of this article is to study the "1+X" course certificate fusion based on big data and the construction of the quality evaluation model of environmental design professionals. This article mainly uses literature data method, questionnaire survey method, mathematical statistics method, comparative analysis method, logical analysis method and other research methods to study the environmental design students and graduates of a university in this province, and first defines the quality of talent training Monitoring system, sustainable development, quality standard research and stakeholder theory and other related concepts, analyze the composition of monitoring indicators for the quality of personnel training in secondary vocational schools, and build the "1+X" course certificate integration based on big data and the training of environmental design professionals Quality evaluation model. The results show that after the construction of the "1+X" course certificate integration based on big data and the construction of the environmental design professional talent training quality evaluation model, the employment rate has increased significantly. This is the best proof of the strong competitiveness of the students, indicating that the students are still It is more recognized and welcomed by enterprises, and the higher employment rate shows that the quality of talent training is also higher.