Five months pregnant with a little brown leukorrhea, the appearance of brown discharge indicates that there is bleeding in the reproductive tract, whether it is inflammation of the vaginal mucosa, cervical localization caused by bleeding, or the placenta and the uterine wall of the peeling caused by bleeding, need to do further examination. Gynecological examination to find out whether there is an increase in vaginal discharge, whether there is inflammation of the mucous membrane with congestion and edema, and whether there is a bulky organism, and also to find out whether there is any abnormality in the localization of the cervix, and it is recommended to do a routine laboratory test of the leukorrhea. If you have not done cervical cancer screening before pregnancy, you can do cervical cancer screening if you suspect that the cervix has lesions, and you must rest in bed after the screening. If ultrasound examination reveals that there is blood in the uterine cavity, it may be caused by pre-eclampsia, and it is recommended to give positive treatment to stabilize the fetus.