Long-term cold above the navel, abnormal stools, mouth often ulcers are not normal. Appear around the navel cold, stool is not normal, oral ulcers may be the cause of gastritis accompanied by oral ulcers, the common cause of this symptom is mainly caused by the fire, usually eat regularly, you can add vitamins in moderation, if this situation is more serious, you can take gastrointestinal mucosal protectants and other medications to treat the observation, and promptly to the hospital for treatment. Gastrointestinal discomfort, mouth ulcers, it is recommended to eat a light diet, avoid spicy stimulating foods, such as ginger, wine, chili peppers, etc., avoid cold and greasy food, such as ice cream, ice-cold drinks, etc., drink warm water, pay attention to rest, avoid excessive exertion, avoid staying up too late, the patient needs to take medication in a timely manner, such as Sanjiu Gastrointestinal Particles, etc., is not recommended to be mixed with other drugs. If the symptoms above the navel are cold, irregular bowel movements, mouth ulcers are not relieved, or accompanied by other symptoms, you should go to the hospital in a timely manner, there may be rheumatism and immune system diseases, you can screen the relevant indicators. After the cause is clear, give targeted treatment, do not be negligent, so as not to delay the condition.