Recently, Google launched the beta version of Chrome browser worldwide. The biggest highlight of Google Chrome is in the aspect of security: it adopts "sandbox" technology to support safe browsing in multi-tab mode, has built-in "anti-phishing" and anti-malware functions, and provides privacy protection. Subsequently, domestic antivirus manufacturer Rising also released the 1.0 beta version of Rising Secure Browser based on the Firefox kernel. It is reported that in the new versions of browsers that Firefox and Opera are about to launch, the improvement of security will also become an important content.