Maternity can eat less chocolate in moderation during the monthly period, but it is best not to eat. Because chocolate contains caffeine, will stimulate nerve excitement, affect the maternal sleep, causing difficulty in sleeping, and the production of a lot of physical energy consumed, need to sleep well to rest, if the sleep is not good, affect the recovery of the maternal body. In addition, after delivery, if too much chocolate and caffeine is consumed, it will enter the breast milk, and the breast milk will be absorbed by the baby, causing indigestion, unstable sleep and easy crying, which will affect the growth and development of the baby. In addition, the fat content of chocolate is high, and eating too much chocolate during the menstrual period will easily produce a feeling of satiety, which will easily affect the appetite and affect the normal diet.