Sheep kidney, also known as sheep cashew, is the kidney organ in the internal organs of sheep or goats. Sheep kidney contains iron, phosphorus, selenium, protein, vitamin A and so on. It is mostly seen in the use of weak feet and knees, deafness, kidney deficiency and strain, lumbar and spinal pain, impotence and other symptoms, with the function of strengthening the yang and tonifying the kidneys, generating essence and blood, and relieving diseases and pains. Lamb kidneys are mostly used to prepare famous wines, cook famous dishes and meals.