Efficient privacy protection secure browsing method

The invention discloses an efficient privacy protection secure browsing method, which comprises the following steps that: a third-party secure browsing service provider processes each latest collected malicious website into encrypted entries by using an oblivious pseudo-random function, adds the encrypted entries to a data structure body supporting set element retrieval one by one, and then synchronizes a Bloom filter to a front-end browser; and when a user browses a webpage, a front-end browser plug-in acquires a website to be accessed, blinds the website and then sends the website to a rear-end encryption server maintained by a security browsing service provider, the server directly performs authorization encryption on a blinding request and then returns, the front-end browser plug-in obtains an encrypted entry by using a blind removal operation, when the entry exists in the Bloom filter located at the front-end browser, the condition that the target website has a security risk is judged, and a reminding pa