After decades of development, laser cladding technology has been widely used in aerospace, petroleum, shipbuilding, engineering machinery and nuclear power industries. In 2020, laser cladding will increase significantly in the Chinese market, and downstream industries are paying more and more attention to laser cladding. Today, as new and old technologies are upgraded and iterated in the industrial manufacturing field, laser cladding technology has more process diversity, ductility, and adaptability. Other processes have incomparable advantages, and laser cladding technology is promising.