The deep fiber of the processed beef is instantly cut off by using a high-density and specially designed oblique cutting thin blade, and its muscle fiber tissue is destroyed from different angles, so as to achieve a tender state without changing the shape of beef. The invention is suitable for industrialization and various meat food practitioners, steak processing plants, meat finishing and other production processes. The frequency of this specification can be adjusted up and down, which is a tender equipment with broken tendons! Used for steak, pork chop, ham, bacon, kebab and other meat products. Clean and hygienic, easy to maintain, and all parts that come into contact with meat can be disassembled and disinfected. Made of high-quality stainless steel and stainless steel, it won't rust, and it can also be cleaned with high-pressure water spray. The meat hammer will automatically lubricate without any grease. Time-saving, safe and reliable, the installation and disassembly of the blade and the meat hammer are very simple and easy, without tools, safe and convenient.