Shi Wa is more difficult to raise. The artificial breeding technology in Shi Wa is basically mature, but the recapture rate of Shi Wa in production is very low, and the disease has an obvious upward trend in recent years.

Shi Wa is a frog, and Shi Wa oil is the dry fallopian tube of female frog. Shi Wa oil contains a variety of hormones, amino acids, protein, vitamins, fat and other ingredients. Sweet, salty and flat. Has the functions of tonifying kidney, replenishing essence, nourishing yin and moistening lung. Can be used for asthenia, post-illness discomfort, listlessness, palpitation and insomnia, night sweats, cough and hemoptysis.