Abalone is a monocotyledonous mollusk. Abalone has high nutritional value, crisp meat and delicious taste. It contains 40% protein and is rich in fat, ash, calcium carbonate and cholesterol. It also contains more than 20 kinds of amino acids such as arginine and aspartic acid. Abalone shell medicinal material named "Abalone" is a precious medicinal material, which is a good medicine for treating hypertension, dizziness, cyanotic cataract, sciatica, traumatic hemorrhage and various eye diseases. It also has the effects of nourishing yin and tonifying kidney, calming liver and improving eyesight, regulating menstruation and calming wind, clearing away heat and moistening dryness, and benefiting intestines. In recent years, pigment toxins extracted from abalone liver and viscera have strong antibacterial effect. John Bowring I, John Bowring II and fraction C extracted from abalone meat can treat inflammation, poliomyelitis, influenza, herpes and keratitis caused by streptococcus pyogenes. Plus, abalone is used to produce high-grade pearls, so its value has doubled. It is really a treasure. Abalone with good quality, flat shape, big and thick meat (more than 3 cm in diameter), apricot yellow when fresh, white exudate, reddish color when dry, and white frost.