The exhaust fumes during breastfeeding are related to the diet of the individual, especially for those who usually eat mainly meat, the exhaust fumes are relatively more smelly. As a result of eating food rich in animal protein, such as lean meat, eggs, etc., in the intestinal tract is due to the action of intestinal bacteria, the production of hydrogen sulfide or sulfur dioxide type of gas, after the body can smell a relatively strong odor. There is also a certain correlation with health, such as indigestion, excessive intake of spicy, greasy, stimulating food, overeating, constipation and so on. This situation does not need to be too anxious, to adjust their dietary structure, a reasonable diet, you can take oral probiotic drugs to regulate the treatment, such as bifidobacterium tetralogy of life tablets.