With the rapid development of 3D printing technology, its applications expand into the field of architecture, industrial design and orthopedic from the traditional mold manufacturing. The cost reduction is benefited from the development of opening hardware technology. In the food industry, 3D food printing will have a profound impact on shortage of food supply, individual needs. But there are also many challenges in material limitations, taste, safety, cost and psychological disorders which 3D food printing must face.