The danger of big fish brushing the street is not high. The big fish board is larger, and the small fish plate is smaller, which is the smallest of all skateboards. The big fish board is suitable for both beginners and basic practitioners. Small fish plate is suitable for children and female beginners to practice skateboarding. The big fish board can play some tricks, such as bowl pool, street painting and so on. Small fish dish is mainly used for beginners and short-distance walking. At present, the fishboards sold in the market have the same bridge distance as street skateboards, and the fishboards slightly shorter than street skateboards are most suitable for walking, not walking. They can do many street skateboards, and they are portable. Add street Gao Qiao or bridge pad to improve the distance between plank and wheel.