The embodiment of the invention discloses a method for clearing history information and a browser, and relates to the technical field of information. The method can improve the deletion deficiency of the history information and an information deletion coverage. The method comprises the following steps: firstly, receiving a first cache clearing instruction, wherein the first cache clearing instruction is used for indicating to delete the history information, which is stored in cache, of an HTML(Hypertext Markup Language)5 page; then, obtaining a key value independently corresponding to each accessed HTML5 page from the cache, and obtaining the history information independently corresponding to each HTML5 page according to the key value; and finally, deleting the key value and the history information independently corresponding to each HTML5 page stored in the cache.