Eyebrows cannot be tattooed during menstrual periods. Eyebrow tattooing is an elective procedure not an emergency, not a procedure that has to be performed right away, so patients should not have eyebrow tattooing during their menstrual period. Because the patient’s blood clotting function is abnormal during menstruation and the body’s resistance is low, all elective surgeries are not recommended to be performed during menstruation. Unless it is an emergency surgery, the patient must have it done during menstruation, if not it may jeopardize the patient’s life, or it may cause permanent disability to the patient, affecting the patient’s normal life and work. If a patient gets an eyebrow tattoo while she is menstruating, there is a chance that the patient will bleed more during the tattooing process. Bleeding will affect the surgeon’s view of the procedure, which may lead to failure or defects. The patient’s resistance is particularly low during menstruation, so it is easy to cause localized infection after eyebrow tattooing.