Celiac blood is commonly known as milk blood. Simply put, celiac blood is blood with oil slick or called lipid blood, and the plasma is milky white or cloudy. The body’s intake of fat after digestion and absorption in the small intestine, into tiny celiac particles into the blood, celiac particles to a certain extent, the serum has a clear and transparent yellowish liquid, into a milky white viscous liquid, medically known as celiac blood. This means that the blood contains high amounts of fat and this blood cannot be donated to others. Donors also need to pay special attention to whether or not they have a medical condition with abnormal blood fats such as hyperlipidemia. The percentage of celiac blood in domestic donors is as high as 1%.