First of all, it should be noted that there are not strictly ten kinds of overnight vegetables that can not be eaten. Overnight food does not simply refer to the dishes placed overnight, as long as the dishes placed for too long have the possibility of deterioration, breeding bacteria. If improperly stored, or placed for too long resulting in food deterioration, consumption may have an impact on the health of the body, or even lead to food poisoning. In daily life to pay extra attention to the food containing nitrates and proteins. 1, containing nitrate food: some vegetables, such as cabbage, spinach, celery, leeks, lettuce, potatoes, radish, mushrooms, fungus, silver fungus, etc., contains more nitrate or nitrite, pickled or cooked and placed too long, may be formed under the action of nitrate reducing bacteria nitrite. So whether the vegetables made of cold dishes or hot dishes, overnight are not recommended to eat, too much nitrite intake is easy to cause poisoning or produce a large number of bacteria, consumption may lead to gastrointestinal discomfort symptoms appear. Patients may have headaches, panic, nausea, vomiting, diarrhea, abdominal distension and other uncomfortable symptoms, serious cases can appear blue lips, breathing difficulties, blood pressure drop, shock and other situations, and even multi-organ failure; 2, containing protein food: common soy products, seafood such as fish, shrimp, shellfish, as well as meat, eggs and other foods, should not be eaten overnight. These foods are rich in protein, long placed protein will deteriorate, decomposition of toxic sulfides, and protein will also attract a large number of bacteria reproduction, consumption may lead to gastrointestinal discomfort symptoms appear. In daily life, you should try to make meals in accordance with the family’s consumption, and the process of making them should be fully cooked. If you need to eat overnight food for reasons such as avoiding waste, you should sort overnight food and store it in a cold environment with plastic wrap or a container with a lid to reduce food spoilage. Overall, no matter what kind of overnight food, it is not recommended to eat.