The utility model relates to a writing brush with ink which is a novel writing brush. The aim of the utility model is to provide a writing brush with ink which is a novel writing brush for pupils and middle school students, extensive calligraphy and traditional Chinese painting lovers, calligraphers, and traditional Chinese painting painters. The utility model has the structure that the basic pattern of an original writing brush is remained; an original writing brush head is used as a writing brush head; the external shape forms circle, triangle, quadrangle and multilateral polygon; ink is contained in a cavity of a writing brush rod, and the ink can be injected again after the ink is run out. The writing brush head which is broken can be changed. The writing brush can be divided into the writing brush with a hook or without a hook, and the ink can be changed to sumi ink and coloured ink.