With the development of society, the packaging industry has put forward more needs and requirements for products. Especially for high-end products, the packaging requirements for spice tin are becoming increasingly high. The variety of spice tin is also increasing, meeting the differentiated packaging needs of the market. As a kind of packaging, flat bottomed cans are in increasing demand in the field of packaging in recent years, especially in the cosmetics and gift industries. They are favored by many international brands, and are widely used in gift packaging such as perfume, fragrance, skin care products, watches, jewelry, etc. Flat bottomed cans are different from ordinary rolled edge cans. Flat bottomed cans require a flat bottomed and flat lid manufacturing process, resulting in a more exquisite appearance.