Menstruation is menstruation. Menstruation is not recommended to tattoo eyebrows, because the patient is weaker during menstruation, the immune system is weaker, and the blood clotting function will also be reduced. The process of eyebrow tattooing will damage the skin and there is bleeding, and when the patient tattoos the eyebrows during menstruation, it will lead to increased bleeding, easy oozing of blood and tissue fluids, increased probability of infection, and it is also not conducive to coloring. Patients are generally advised to avoid eyebrow tattooing during menstruation, and it is also not allowed during pregnancy and breastfeeding. Patients are advised to choose regular institutions for such operations and follow the doctor’s instructions for follow-up.