The subject wants to ask, "Is it difficult to apply for Tsinghua Winter Camp?" ? It's huge. It is difficult to sign up for Tsinghua Winter Camp, and excellent college students are needed to sign up. Tsinghua University, referred to as "Tsinghua" for short, is a national key university directly under the Ministry of Education and the Central Government of People's Republic of China (PRC). It ranks among the national "double first-class", "2 1 1 project" and "985 project".