During menstruation, you should not take deer fetus cream. Consuming Deer Fetus Cream during menstruation may cause changes in menstrual flow as well as prolonged menstrual period. Deer Fetus Cream is an over-the-counter medication, and the main ingredients are Chinese medicines, including red ginseng, motherwort, angelica, danshen, licorice, chuanxiong, deer fetus powder, and Colla Corii Asini. Among them, Angelica sinensis, Motherwort and Salvia miltiorrhiza have blood-activating effects and tend to increase menstrual flow, so do not take it during menstruation. When taken during the non-menstrual period, it can regulate qi and blood, regulate menstruation and dissipate cold, as well as activate the ovarian function and promote the repair of the damaged uterine lining, and it also has a certain degree of beauty effect. During the menstrual period, you should pay attention to rest, do not regularly stay up all night, so as not to cause menstrual disorders. Pay attention to the hygiene of the perineum, clean the perineum every day, do not take a bath, can shower, change sanitary napkins. Reasonable diet, menstruation eat more warm food, do not eat cold food.