The fart is very smelly after delivery mainly due to cold, improper diet, indigestion, intestinal flora imbalance, etc., can be treated by adjusting diet and applying medication. Common causes and treatment methods 1, cold: abdominal cold after delivery, such as blowing air conditioners, fans, etc., resulting in gastrointestinal dysfunction or stomach distension, you can have a fart very smelly situation. It is necessary to avoid abdominal cold and pay attention to abdominal warmth on a daily basis. 2. Improper diet: eating too much protein-containing food, such as beef, eggs and milk, can lead to protein retention in the body, which is decomposed in the digestive tract and causes farting and odor. If the mother ingests too much gas when eating, drinking or talking, which causes gastrointestinal distention, it can also lead to excessive farting. It is recommended to adjust the diet and develop good eating habits to avoid excessive gas intake, and it is advisable to chew and swallow slowly when eating. In addition, attention should be paid to reduce the intake of protein foods, eat more vegetables and fruits to promote gastrointestinal peristalsis and help gastrointestinal digestion; 3, indigestion: maternal activities after delivery, as well as the sudden decline in the level of hormones in the body, resulting in a slowdown in intestinal peristalsis, and then the phenomenon of indigestion, resulting in a particularly large number of farts very smelly situation. The application of drugs to promote gastric power can be prescribed to improve indigestion; 4, intestinal flora dysbiosis: because of the dysbiosis of the intestinal flora, which produces more hydrogen sulfide gas, with odor, so that the phenomenon of farting is very smelly. It is recommended to take oral bifidobacteria, probiotic tablets, etc. to regulate the intestinal flora. If the symptoms are aggravated or persistently not relieved after the above methods, ultrasound, CT and other related examinations should be conducted under the guidance of a doctor to exclude any other organic diseases.