You can eat oysters in small amounts during menstruation because they are rich in trace elements such as calcium, iron, phosphorus and other trace elements. Oysters contain protein and other nutrients, and eating them in small quantities during menstruation can supplement protein and trace elements, which can enhance the body’s resistance and help improve the low resistance of the body during menstruation. Oysters are a cold food and should not be consumed in excess, as they can cause coldness in the uterus, which can lead to reduced menstrual flow, dysmenorrhea, darkening of menstrual blood and prolonged periods. Oysters contain a lot of parasites, and if they are not fully cooked during the preparation process, they can cause parasites to infect the body, which can easily cause diarrhea and body wasting. During the menstrual period, pay attention to strengthening dietary nutrition, it is best to eat more vegetables and fruits, which can be supplemented with vitamins and can enhance physical fitness.