The ship is one of the main traffic tools in artificial geographical water operation. In addition, commonly known as the boat civilian ships, military ship called the ship, the small boat called a boat or boat, which collectively referred to as the ship or boat. Internal includes accommodation space, supporting structure and drainage structure, has the use of external or internal energy propulsion system. The shape is generally beneficial to overcome current linear envelope of fluid resistance, materials with the progress of science and technology constantly updated, early wood, bamboo, hemp and other natural materials, modern steel and aluminum, is glass fiber, acrylic and various composite materials.