The reason why women get stomach pain when they have their period is mainly due to the involvement pain caused by menstrual cramps. If the stomach pain is severe, treat the pain by taking rotenone tablets, or Yuanhu pain relief capsules, and pay attention to avoid eating spicy and stimulating, raw and cold food during the period to avoid aggravating menstrual cramps. During your period, you can eat more vegetables and fruits to replenish vitamins, have regular work and rest, do not stay up late, and ensure sufficient sleep. You should change your sanitary napkins and underwear regularly during your period to avoid genital infection, and it is best to have intercourse 3 days after your period is completely clean.