Yellowish leucorrhea with blood is an abnormal phenomenon. If you have yellowish leucorrhea with blood, you should immediately go to the hospital for examination, such as examination of vaginal secretions, cancer prevention examination of the cervix, culture of cervical canal secretions, as well as ultrasound and tumor marker examination. Through these examinations, we can determine the cause of yellowish leucorrhea with blood, and then carry out targeted treatment. The causes of yellow leucorrhea with blood mainly include vaginitis, cervical lesions, endometrial lesions, fallopian tube and ovarian lesions, etc. 1. Vaginitis: If patients have vaginitis, there may be yellow purulent discharge, and at the same time, due to the rupture and bleeding of small blood vessels, resulting in bleeding of the vaginal mucosa, so there will be yellow leucorrhea with blood, which can be treated with oral or vaginal local medication under the guidance of doctors. 2. Lesions: When cervical lesions occur, such as chronic inflammation of the cervix, inflammatory infections lead to yellowish leucorrhea with blood, which can be treated with antibiotics. It may also be precancerous lesions of the cervix, which require further colposcopy and appropriate treatment according to the cause. 3. Endometrial lesions: If the endometrial lesions cause local tissue to become brittle, resulting in the shedding of the endometrium, it is manifested as yellowing of the leucorrhea with blood, often accompanied by lower abdominal pain. It is necessary to check the endometrium for abnormal blood flow, as well as to exclude the possibility of endometrial cancer; 4. Fallopian tube and ovarian lesions: if the yellowish bleeding leucorrhea is caused by fallopian tube and ovarian lesions, the lighter cases will be treated by medication, while the heavier cases will be corrected by surgery if necessary.