The bleeding during ovulation is mainly due to the influence of estrogen level in Western medicine, while in Chinese medicine it is mainly due to the uncoordinated transformation of yin and yang. The bleeding during ovulation is mainly due to the inability to maintain the growth of the endometrium due to the decrease in estrogen level, which causes the shedding of the endometrium resulting in vaginal bleeding. In Chinese medicine, the causes of bleeding during ovulation are kidney yin deficiency, indiscriminate intercourse, depletion of essence and blood, internal heat of yin deficiency, which forces blood to move; or spleen qi deficiency, indiscriminate diet, damage to spleen qi, loss of spleen control, resulting in intermenstrual bleeding; or damp-heat, caused by external damp-heat, or emotionally induced liver depression offending the spleen, the spleen does not transport water and damp, damp-heat is generated internally, which forces blood to move; blood stasis, such as emotional injury, qi stagnation and blood stasis, blood does not follow the menstrual flow, resulting in bleeding. In short, bleeding during ovulation can be treated by nourishing the kidneys and nourishing yin, clearing dampness and heat, activating blood stasis, tonifying qi and strengthening the spleen. The main reason for this is that you should not eat spicy and irritating hair products and do not exert yourself.