Taking Chinese medicines can affect menstruation, especially those that regulate blood, including medicines with peach kernel and safflower in their composition, which have a great impact on menstruation. Some Chinese medicines, whether it is to ease the liver and regulate qi, or to strengthen the spleen and stomach, for weak women will affect the arrival of menstruation or lead to delayed menstruation, and even some Chinese medicines will lead to menstruation with blood clots, the application of Chinese medicines is best to be rationally applied under the doctor’s diagnosis. For women’s special circumstances, in the menstrual period can not advocate the application of traditional Chinese medicine, especially warm and hot traditional Chinese medicine, applied during the menstrual period will lead to excessive menstrual flow, damage to women’s qi and blood, it is easy to cause anemia in female patients, so that the body is excessively weak and infected with related diseases. Therefore, caution should be exercised in the application of Chinese medicines in gynecology.