Tsinghua University and Peking University are renowned higher education institutions in China that provide high-quality education and research. If you want to inquire over the phone, you can go to the school's official website or the admissions office to inquire. The phone number of Tsinghua University is 116114222, and the phone number of Peking University is 11688888. If you need more detailed information or have any other questions, please feel free to contact the relevant departments of these two schools.