Disposable toothbrush head

The invention relates to the field of toothbrush heads, in particular to a disposable toothbrush head. The toothbrush head includes a toothbrush head body, and the toothbrush head body includes a brush base, a rod body and a protective casing; the brush base is provided with two or more mounting holes and two or more brush bodies; the toothbrush bodies are embedded in the mounting holes. Through binding connection between the protective casing and the rod body, the rod body is sleeved with the brush base, correspondingly people can remove the protective casing and then make the rod body sleeved with an electric rod of a toothbrush at the exterior in order to start manual tooth brushing. Moreover, a binding component and the protective casing are of an integrated structure, the protective casing is connected with the rod body through the binding component, and the binding component cannot be manually bonded to the rod body for the second time so that people can judge whether or not thetoothbrush head is used f