If the amount of motor oil consumed by mistake is not large, there will be no effect. If the amount of accidental ingestion is too much, it will cause bloating, nausea, vomiting and other manifestations. Usually, you must pay attention to the safety and hygiene of food, if you accidentally take some kind of food, it may cause stomach upset. The most important thing in motor oil is mineral oil, vegetable oil and other fats and oils, and also contains additives, and there are no toxic ingredients. If the accidental ingestion of the amount is not too large, it will not cause significant effects on the body, by drinking a lot of water and eating more easily digestible food, can make the oil quickly discharged. If the patient accidentally ingested a relatively large amount of motor oil, will cause irritation to the gastrointestinal tract, some patients are prone to diarrhea, bloating, nausea, vomiting, and chest pain and other obvious symptoms, need to go to the hospital in a timely manner to carry out checks, and if necessary, can be considered for gastric lavage treatment.