Intelligent controlled and water vapor loop heating system; triple protection with brake lock, door switch and overheating; original LCD display control system; aluminum alloy handle as humanizing design; dynamic LCD display screen for clear working condition; preset temperature display for customer to preset the temperature and cooking time; keep nutrition and furthest improve the taste and preserve the most nutrition constituent. Succinct line design, aluminum alloy handle matching black toughened glass to reach terse workmanship and strong workability.