Difficult. Applicants need to go through various evaluation and interview links before they can get the opportunity to participate in the summer camp. The selection process of summer camp usually includes interviews and other links, and there are very strict requirements for the applicant's ability to express, think and innovate. Interview is an important link in the selection process, which requires candidates to express their ideas accurately and clearly in a short time, and at the same time, they need to have a solid academic foundation and a broad vision.