Moderate consumption of leached oil usually does not cause significant harm to the human body. However, excessive consumption of leaching oil and repeated heating of leaching oil may cause obesity and gastrointestinal discomfort. Leached oil belongs to the edible oil that meets the national standard, and will not leave harmful substances for human body, normal moderate consumption of leached oil usually does not cause obvious harm to human body. Consumption of too much leaching oil, due to excessive high fat intake, may increase the risk of obesity. The multiple heating of the leached oil will destroy the oil quality and easily produce harmful substances, which can aggravate the burden on the stomach and intestines, causing abdominal pain, diarrhea and other discomforts. Daily diet is recommended to keep light, cooking food into the leaching oil must be appropriate, and the need to avoid multiple heating, you can eat more fresh fruits and vegetables.