The 6th day of menstruation is still bright red blood, if the usual period time is 3-7 days, the 6th day should not be bright red, if only once in a while, it may be caused by doing strenuous exercise, heavy lifting, or having intercourse during menstruation, eating blood-boosting drugs, etc., can be observed. If there is a lot of blood or dripping, it is recommended to consult a doctor, according to the usual menstrual situation, if the usual menstrual period is longer, the bright red blood on the 6th day is also normal. If your period is usually short and is occasionally prolonged, if there is a problem in your life that causes a prolonged period, it is recommended to change your lifestyle, pay attention to rest, keep your mood relaxed, ensure sufficient sleep, and pay attention to a balanced diet and increase nutrition. If the effect is not good, you need to use hormonal drugs to stop bleeding under the guidance of a doctor to avoid excessive bleeding, which affects your health.