I am about to graduate from the massage major, and I really want to thank the teachers for their careful teaching and the students for their help.

I am about to graduate, and I really want to thank my teachers and classmates for their help.

I am very excited to graduate. For the teacher's usual careful teaching and the students' usual help. Thank you very much. I appreciate it very much.

Of course, you can also talk about your own ideas next, as long as the sentences are fluent.