According to the query of healthway.com, the reasons why beef cramp is expensive are:

1. The preservation cost of beef cramp is higher. Beef cramp requires a lot of investment in transportation and preservation, which makes it cost substantially more, which is reflected in the price.

2. The nutritional value of beef cramp is high. Beef cramp is rich in collagen, its nutritional value is not lower than beef, and it has good effect on strengthening the body. This makes the beef cramp has a high value in the eyes of certain consumers, which pushes up its market price.