First of all, the contents of the entrance examination for primary schools and mathematics teaching posts are different. The main difference lies in the difference of subject specialty. According to the official announcement in 2020, the written examination of Heze teacher recruitment includes two parts: educating public knowledge and subject professional knowledge. The content of public education knowledge is the same, but the difficulty of subject expertise is different because of the different time periods corresponding to the positions applied for. Obviously, middle school mathematics is more difficult than primary school mathematics.