Damage to the body can occur after consuming unclean or poisonous food. The manifestations of different food poisoning are not exactly the same, heavy ones can lead to coma or even death, while light ones only show mild discomfort. The details are as follows: 1. Skin manifestations: fever, skin flushing, skin itching, hives, mostly from eating fish, shrimp, crab, grasshoppers and other foods; 2. Gastrointestinal symptoms: nausea, vomiting, abdominal pain, abdominal distension. The vomit is mostly from the food consumed, and is characterized by vomiting followed by diarrhea, with varying degrees of severity and watery or mucus-like stools. If vomiting and diarrhea are more frequent, it can lead to dehydration. Most often seen with contaminated meat, eggs and other foods; 3. Respiratory manifestations: chest tightness, wheezing, breathing difficulties, and even asphyxia; 4. Neurological manifestations: headache, dizziness, weakness, blurred vision, and limb paralysis. It can be seen in the consumption of puffer fish, poisonous mushrooms, etc.; 5. Blood system manifestations such as gum bleeding and internal bleeding: large amount of bleeding can cause shock and loss of consciousness; 6. Urinary system manifestations: back pain, small amount of urine, hematuria, anuria, etc. If food poisoning occurs, it is important to seek medical attention and inform the doctor of the food consumed to facilitate the analysis and treatment of the condition.