For women with abnormal yellow leukorrhea and no other discomfort, if the amount of leukorrhea is relatively large, it is necessary to be examined; if the amount of leukorrhea is not large, it is considered to be normal vaginal secretions, and at this time there is no need to be examined. 1. For patients with vaginitis or pelvic inflammatory disease, due to the local combination of bacterial, mycoplasma and other pathogens of infection, inflammatory exudate increase, so the patient will have yellowish leukorrhea, leukorrhea increased or accompanied by vulvar itching, odor and other discomforts, so for the leukorrhea increased significantly for the patient to be vigilant about the occurrence of inflammation, it is necessary to check the leukorrhea or color ultrasound. 2. Due to the vagina by the role of ovarian secretion of estrogen and progesterone, the patient will produce a small amount of local secretion to keep the vagina moist, to prevent the invasion of other pathogens, due to the reaction of the secretion in the vagina will lead to the yellow color, but the amount of general leukorrhea is not much, and there is no other special discomfort, then considered normal vaginal secretions, so there is no need to check. For women with abnormal yellowish leukorrhea, if the amount of leukorrhea increases significantly, it is recommended to go to the hospital to improve the leukorrhea routine, ultrasound and other related examinations, to clarify the cause of the disease and then actively treat it.