Combined with bridge engineering teaching, intersection pattern improvement method of MOOC and traditional teaching are discussed under big data circumstance. Course content of MOOC can be embedded as the resource of classroom teaching through information technology, knowledge internalization can be finished by teachers' help. Content of course can be expanded by foreign MOOC, teaching level can be improved by seasoned faculty's MOOC.Then teaching level and efficiency are improved, students' autonomy and enthusiasm are fully mobilized.