The invention provides an ink bottle for teaching. The ink bottle for teaching comprises a bottle bottom raising mechanism, an ink bottle body, a concave raising sealing body, an ink bottle opening ring, a finger-pressing wiping-free mechanism, a concave ventilating bottle cap, an arc-shaped supporting shrinkage body, a ventilating cavity, a sealing outer thread body and a sealing inner thread ring, wherein the upper surface of the concave raising sealing body is concave. The invention relates to the field of stationery. By the ink bottle for teaching, pollution of the bottle body by ink can be relieved and even avoided, ink can also be prevented from polluting hands and clothes of people, thus, the ink bottle can be recycled, waste is avoided, the using method is simple, a follow-up wiping process is omitted, and the problems that an existing ink bottle is too simple in structure, ink easily pollutes various portions such as a table top, fingers and clothes, the ink bottle brings lotsof troubles for a user, after the ink bottle is used repeatedly, a bottle body can be stained with quite thick pigment, most of people may directly throw away the bottle body, and waste is caused aresolved.