Need. According to relevant public information, protective window refers to a kind of building security product installed on the periphery of windows and balconies, which provides protection, anti-theft, anti-falling objects and other security guarantees. It needs to be installed to prevent college students from jumping off buildings, which has a protective effect. The reason why school windows are equipped with guardrails is to ensure the safety of students. If you don't install guardrails, you may fall from the building because of students fighting. Therefore, in order to ensure safety, you must install guardrails.