1. Lamb liver is rich in protein, vitamin A, iron and other nutrients, while lamb lung is less. Therefore, sheep liver is more advantageous than sheep lung in terms of nutritional value, which leads to its higher price.

2. Sheep liver can be used to make a variety of cuisines, such as stir-fried, boiled, baked, etc., while sheep lung is mainly used in cooking methods such as soup or hot pot. As lamb liver is consumed in more diverse ways, its price is also higher.