Oil painting becomes an important international painting art in the modern times. It  was Originating from Europe.The main material and tool of oil painting consist by Oil Paint, Painting Knife, Canvas , Frame and so on: The oil paint can be separate into mineral copy point and classically oil Paintings Knife is also called palette knife. It is made of the spring thin steel plate. Canvas mainly fall into two materials: cotton and linen. The frame is an very important part of the whole painting, In particular for the works of realism The frame of classical oil painting is crank out the wood and land plaster 。