It is best not to eat shrimp when you have your period. Although menstruation is a normal physiological period for women, it can also bring adverse effects to the body if you do not pay attention to diet or environmental changes and do not keep warm. Shrimp is a cold food, if you eat cold food during the menstrual period, it is likely to lead to menstrual cramps. In addition, foods like barley, watermelon, pear and mangosteen are all cold foods that may cause dysmenorrhea if eaten during the menstrual period. You should not drink alcohol when you have your period, as drinking alcohol will not only increase the burden on your liver, but also increase the amount of menstruation. Therefore, during menstruation, you should pay attention to both your diet and your environment. Do not eat cold food during menstruation, such as drinks or food just taken out of the refrigerator, which may cause menstrual cramps after eating.