Belong to. During the internship, employees' study notes belong to personal privacy, but if they study or accept tasks or projects completed under the guidance of the company during the internship, these study notes belong to the company's knowledge assets. In some companies' internship agreements, the protection clauses of employees' intellectual property rights and secrets are involved, requiring employees to respect the intellectual property rights and trade secrets of the company during the internship, and it is strictly forbidden to disclose the confidential information and trade secrets of the company.