Difficult. According to the query of Guangming. com. The backbone of the teaching profession is a high honor, which is very important when teachers are promoted. It needs to be audited by colleges, schools and provincial education departments before it can be finalized. It's quite difficult to evaluate. Teaching backbone is an honorary title of in-service teachers, which is generally awarded to outstanding young teachers with strong teaching practice ability, outstanding educational and teaching achievements, strong educational and teaching research ability and outstanding educational and teaching posts.