Applicable. The application scope of the three forms of Peking University Military Brother is not limited to college students or adults. Junior high school students can try to use these forms to think and make decisions in personal planning and career development. The "three forms" of soldiers in Peking University refer to the three forms put forward by Professor Feng Lun of Peking University, which are used to help individuals plan their goals and career development. Therefore, the three forms of Peking University Military Brother are applicable to junior high school students.