Cone crusher is a crushing machine suitable for raw materials in metallurgy, construction, road construction, chemical and silicate industries. According to the different crushing principles and different product particle sizes, it is divided into many models. Crusher is widely used in mining, smelting, building materials, highways, railways, water conservancy and chemical industries and many other departments. Cone crusher has a large crushing ratio, high efficiency, low energy consumption, and uniform product particle size. It is suitable for medium and fine crushing of various ores and rocks. The models are mainly divided into SMG series, spring type and HPC series. Their working principle and structure are introduced respectively. The development history, working principle, composition, influencing factors, technical advantages, operation matters, common faults and inspection and maintenance of cone crusher are also introduced in detail.