Eating some roadside stalls on the gastrointestinal discomfort is usually acute gastroenteritis, irritable bowel syndrome, functional dyspepsia and other causes, you can use medication, complementary therapies and so on. 1. Acute gastroenteritis: roadside stalls of food health and safety hazards, eaten leading to bacterial invasion of the intestinal tract, triggering inflammation, stimulate gastrointestinal peristalsis accelerated, gastrointestinal discomfort. Antibacterial drugs such as norfloxacin and ciprofloxacin can be used for anti-infection treatment. Severe diarrhea can be treated with Montelukast, Saccharomyces boulardii and other auxiliary treatment. 2. Irritable bowel syndrome: the cause of irritable bowel syndrome is not yet completely clear, and it is considered to be related to visceral hypersensitivity, heredity, emotional changes and other factors. Food from roadside stalls is heavy in oil and salt, which is more likely to irritate the gastrointestinal mucosa. Microbial agents such as Bifidobacterium bifidum can be taken to adjust the intestinal flora, and pivoxyl bromide can be used to relieve intestinal spasms and other symptomatic treatments. 3. Functional dyspepsia: Functional dyspepsia is a kind of functional disease, and there is no organic lesion in the digestive tract. It is easy to have gastrointestinal discomfort after eating. Mainly according to the symptoms of choice, with bloating as the main symptom of the patient can use some gastrointestinal pro-dynamic drugs such as domperidone and so on. Eating some roadside stalls on the gastrointestinal discomfort may also have other reasons, it is recommended to go to the hospital in a timely manner, under the guidance of the doctor, to carry out the required examination and the combination of the relevant medical history, to clarify the cause of the disease, to give targeted treatment or treatment, to avoid self-medication.