Article in English: These foods apparently exacerbate the symptoms of PMS and cause difficult periods. While it's not proven that avoiding sugar and carbs actually shortens your periods, it can help reduce bloating and cramps, and many people report having lighter periods when they pay more attention to their diet. Ice cream and potato chips might be exactly what you're craving when your period comes, but you'll really feel a difference if you can avoid them!  White bread, pasta, crackers, pretzels, chips, cookies, cake, and other pastries and sugary confections are on the list of foods to avoid. Swap them out for fruit and natural sweeteners like agave or honey. Avoiding these foods all month long is your best bet for managing your period. If you feel like you can't live without a few scoops of chocolate ice cream to conquer your PMS, you'll still get the benefits of eating healthy in the weeks before your period. Some people have found that basing their diet on fruits and vegetables, whole grains, fish and lean meat has a big effect on their monthly flow. The Mediterranean diet is low in sodium, saturated fat, and processed carbs, all of which cause the body to retain water and bloat up, so eating this way should help with other PMS issues as well. Eat mostly fruits and vegetables, beans and other legumes, olive oil, and whole grains like quinoa and farro. Eat dairy products, eggs and meat in moderation. Having low levels of potassium in your body can lead to irregular, heavy periods, in addition to more painful cramping and other symptoms. During your entire cycle, and especially in the weeks (all three of them if you wish) leading up to your period, choose foods packed with potassium to help regulate your flow.  Bananas, sweet potatoes, lentils, yogurt, salmon, and raisins are all high in potassium.  Boiling foods may deplete the potassium in some foods. Steam or bake potassium-rich foods to get the full benefits, or, if possible, eat them raw. You could, if you really feel that potassium is helpful, try a dietary...

Summary in Chinese:
少吃白面粉，糖以及加工食品。 尝试地中海式饮食法。 您也可以用冰袋敷小腹，这样也能减少月经血流量和持续时间。 吃钾含量高的食物。 增加并保持其他必要营养成分的摄入量。 经常运动。