Ketchup overconsumption will cause damage to the digestive system, ketchup contraindications and side effects of acute enteritis, bacillary dysentery and ulcer patients to avoid eating, ketchup in moderation is beneficial to the human body, the normal person can not eat too much, the body is cold, low blood pressure, easy to cold hands and feet in the winter, consume ketchup better than fresh tomatoes, health effects are better.