Part-time primary school math teacher is good. From the development trend of the industry, there are more students in primary schools than in junior high schools, that is to say, there is more demand for teachers than in junior high schools, and the relative employment will be easier and there will be more opportunities, whether it is online or offline educational counseling institutions or in-service public and private schools. Coupled with the liberalization of the second child policy, the gap of primary school teachers will be even greater in a few years. There is a section in elementary school mathematics that is elementary school olympiad. This part of the teacher gap is still quite large, and the gap is an opportunity. If this hard bone can persist, both full-time schools and primary school teachers in counseling institutions will have advantages.