Tomatoes are rich in vitamins A, C, B 1, B2, carotene, calcium, phosphorus, potassium, magnesium, iron, zinc, copper and iodine, as well as protein, sugars, organic acids and cellulose. Tomatoes also have new health care efficacy and medicinal value of preventing and treating many diseases. Tomato has the functions of invigorating stomach, promoting digestion, clearing away heat and toxic materials, reducing blood fat, lowering blood pressure, anticoagulating blood, preventing cancer, preventing cataracts, caring skin and maintaining sexual function.