You can’t eat dragon fruit when you have your period, because dragon fruit is a cold fruit, and if you eat it during your period, it will probably cause pain in the lower abdomen during your period. In addition, you should not eat watermelon, pear, banana, mangosteen when you have your period, these are also cold fruits, after eating may cause dysmenorrhea, so the diet in the menstrual period should be paid special attention. It is recommended not to drink alcohol during menstruation to avoid increased menstrual flow or increased burden on the liver. You should not eat cold foods such as seafood when you have your period, and you should not eat winter melon or barley when you have your period, as they may cause menstrual pain or cause dripping menstruation.