Women always farting during menstruation may be caused by menstrual reactions, food factors or cold. 1. Menstrual reaction: Pelvic bleeding during menstruation, the secretion of prostaglandins will increase, promoting the contraction of the uterus. However, this hormone also has the effect of stimulating intestinal peristalsis, so there will be farting a lot, the general situation does not need to be dealt with. 2. Food factors: eating food that is easy to flatulence will cause frequent farting, such as corn, potatoes, sweet potatoes and so on can easily cause flatulence. 3. Cold: cold stomach and intestines during menstruation may cause indigestion and farting all the time. In this case, it is recommended to pay attention to warmth, avoid cold, do not eat indigestible food, and take gastric stimulating drugs such as domperidone, cisapride, mosapride and so on if necessary. Women’s diet during menstruation must be regular, eat light, easy to digest food, do not eat food that is easy to produce gas in the intestines. Do not eat cold, spicy and stimulating foods. Menstruation always fart, there are other reasons, if necessary, you can go to the hospital, clear the cause, and then carry out symptomatic treatment.