The first is inflammation of the vagina, such as bacterial vaginosis or trichomoniasis, which is basically yellow in color and can be diagnosed by a white belt routine. The second one is cervical cancer and endometrial cancer, which have a large amount of yellow fluid and are often accompanied by bloody discharge, which often has a foul odor. Ultrasound or diagnostic curettage, or cervical cancer screening or colposcopy are recommended to confirm the diagnosis. Therefore, if there is a yellowish fluid coming from the vagina, it is important to have a detailed examination. It is also recommended to rule out the possibility of vesicovaginal fistula if there is a history of previous surgery but yellow fluid coming out of the vagina with a history of obstructed labor.