It is best not to smoke when you are menstruating, so as not to cause discomfort and damage your health. Cigarettes contain many substances that are harmful to the human body, such as nicotine and tar. Smoking during menstruation may not only affect endocrine regulation, but may also cause damage to the body organs. Smoking during menstruation may produce dysmenorrhea, irregular menstruation, menstrual disorders, and even the possibility of menopause. In addition, it can aggravate the lowering of immunity during menstruation, as well as increase the risk of developing gynecological infectious diseases. It is recommended that women who are menstruating or not menstruating should not smoke to avoid harming their own health or even the health of others. During menstruation, it is recommended to eat a regular and healthy diet, avoid spicy and stimulating foods, and refrain from strenuous exercise. Any discomfort during menstruation should be treated promptly to avoid delays.