It is normal for a woman’s period, or menstruation, to be one week early. Under normal circumstances, women’s menstrual cycle is usually about 30 days, if it is a week early or a week delayed is normal, it may be related to factors such as tiredness, staying up late, mental tension, excessive stress, etc. Stimulation by external unfavorable factors can affect the secretion of ovarian hormone levels and make the endometrial lining peel off appropriately early or late, thus leading to changes in menstruation. If women often experience early or postponed menstruation for more than a week, they need to go to the hospital for examination and treatment in time to avoid causing luteal insufficiency or even serious cases of menstrual disorders and endocrine disorders. In conclusion, menstruation is a normal physiological cycle for women, they should pay attention to regular rest and relaxation, keep warm, avoid stress, and avoid eating spicy and cold food.