Suddenly farting a lot and stinking may be caused by improper diet, constipation, gastrointestinal dysfunction and so on. 1. Improper diet: protein-rich foods such as soy products, meat, or other easy to produce gas foods such as sweet potatoes, garlic, onions and other foods, will produce hydrogen sulfide, ammonia, etc., so that the intestinal gas increases, the symptoms of increased exhaust, the taste of which is like rotten eggs. 2. Constipation: Constipation patients mostly have irregular eating, poor defecation habits, resulting in prolonged retention of stool in the intestinal tract, the reaction of gas production, the emergence of exhaust gas and odor. 3. Gastrointestinal dysfunction: Commonly caused by intestinal bacterial infections, oral antiseptic drugs and other gastrointestinal diseases, gastrointestinal dysfunction will lead to digestive dyspepsia, intestinal flora imbalance, bacterial fermentation fast, so that the food spoilage speed up, releasing a large number of smelly gas. You can take probiotics compound acidophilus tablets, bifidobacteria tablets, etc. to improve intestinal flora imbalance, inhibit bacterial reproduction, and alleviate the phenomenon of farting and stinking. There are many reasons for sudden farting and stinking, it is recommended to consult a doctor in time, under the guidance of the doctor with the relevant examination to clarify the cause of the disease, give targeted treatment, so as to avoid delaying the condition.