The mathematics test paper of Shanghai senior high school entrance examination is difficult. This is because the mathematics test paper of Shanghai senior high school entrance examination not only pays attention to the examination of students' basic knowledge, but also pays attention to the examination of problem-solving ideas and logical reasoning. The examination paper covers a wide range of topics and is difficult, which requires students to have a strong mathematical foundation and the ability to solve complex problems. The questions in the test paper often have a certain depth, which requires students to use what they have learned flexibly to solve problems. Therefore, the mathematics test paper of Shanghai senior high school entrance examination is more difficult, which requires students to master it comprehensively and improve their thinking ability.