Abstract: The refrigerator is a new green-food one.lts characters are using semiconductor cooler whose principle is Thomson effect.The refrigerator has a lot of functions,for example,ventilation,deodorization,cold storage and freeze,freshness-keeping.The refrigerator has no pollution.The quality of storing food-stuff is better than that of the traditional one.lt also can increase the cooling speed.So it has the potential marketability.