Patients with very smelly exhaust need to be treated promptly. Mainly due to the following reasons: 1, the intestinal tract has a bacterial infection. The damage caused by bacterial toxins in the intestinal mucosa will cause the destruction of the intestinal mucosa, the patient will easily appear exhaust, intestinal cramps and other situations, and even fever in serious cases. 2, improper diet, the patient ate too much onion, leek or garlic and other foods containing irritating odor or excessive intake of meat, will cause excessive exhaust and especially smelly conditions. In addition, eating food with high protein content or irritating food will have a particularly smelly exhaust. 3, gastrointestinal diseases, gastrointestinal inflammation, gastric ulcer, etc. will lead to a very smelly exhaust, due to intestinal peristaltic dysfunction will lead to odor, affecting intestinal health.