Under normal circumstances, moderate consumption of bacon is generally not harmful to the body, but long-term or large amounts of consumption may increase blood pressure, elevated blood lipids, increase the risk of cancer, and so on. 1. Elevated blood pressure: bacon is usually cured and then smoked, with high salt content, which may lead to elevated blood pressure and cardiovascular health when consumed over a long period of time or in large quantities. 2. Elevated blood lipids: bacon is mostly made from meat, energy and fat content is high, long-term consumption of large quantities may lead to elevated blood lipids, causing obesity, coronary heart disease and other diseases increased risk. 3. Increase the risk of cancer: in order to extend the preservation time, the production of bacon will generally put more nitrite, salt and some substances in the pork after smoking, may produce nitrosamines, long-term or large amounts of food will increase the risk of cancer. Although bacon is delicious, but can not be consumed for a long time or a large number of people, so as not to affect the health of the body.