During his 40+ years of teaching Baguazhang Gao Yisheng's skill grew and developed. Accordingly, his Baguazhang changed and developed as well. During his long teaching career, he had hundreds if not thousands of students. These students and schools show the progression of Gao as a martial artist. This does not mean that one lineage is better than another. What it does show is that Gao had a deep understanding of the principles of Baguazhang throughout his long career and all these schools are representative of Gao Yisheng's teaching and philosophy.