The commercial fish belly cutting machine is a new type of machine developed to satisfy fast fish killing and open back. It has the functions of cleaning, killing fish, removing internal organs, and even removing fish scales. According to the different styles of fish belly splitting machines, there are two types of fish belly splitting machines. They are both suitable for open-back work for various types and sizes of fish. And it has a fast splitting speed and a good cutting effect. Therefore, the fish butterfly cutting machine is widely satisfied with fish processing in restaurants, hotels, aquatic shops, and other catering industries.