Brown discharge off and on in early pregnancy may be caused by bleeding cervical polyps, preeclampsia, ectopic pregnancy, embryonic arrest, and need to consult the obstetrics department in time to clarify the cause of the disease, and then carry out targeted treatment. Common causes and treatment 1, cervical polyp bleeding: is caused by chronic inflammatory stimulation, manifested as increased leukorrhea, drip bleeding, if repeated vaginal bleeding, need to remove the cervical polyp, so as to avoid repeated bleeding caused by intrauterine infections; 2, preeclampsia: manifested as a slight lower abdominal pain accompanied by a small amount of vaginal bleeding, if the bleeding and abdominal pain further aggravated, may progress to inevitable abortion, need to be carried out in a timely manner for the chorionic villus Chorionic gonadotropin (HCG) and ultrasound are needed for diagnosis. According to the previous history of pregnancy and childbirth, luteal function and other conditions, supplemental progesterone as appropriate, oral progesterone, dydrogesterone, etc. or injection of progesterone injection, regular review ultrasound, observation of fetal heart growth; 3, ectopic pregnancy: manifested as a small amount of postmenopausal vaginal bleeding, accompanied by lower abdominal pain, if ultrasound did not see intrauterine gestational sacs, the need for further examination of blood HCG, and regular review, to observe the dynamics of the change of HCG, if considered more likely to be ectopic pregnancy. If the possibility of ectopic pregnancy is considered to be higher, it is necessary to be hospitalized in time for observation, and decide whether to have conservative treatment or surgical treatment according to the clinical manifestations and HCG value; 4. Embryonic sterilizations: there may be no abdominal pain and bleeding, or there may be a small amount of vaginal bleeding, and if the intrauterine gestational sac lasts for more than two weeks and there is no fetal heartbeat or the average diameter of the intrauterine gestational sac is more than 2.5cm and there is no fetal heartbeat, it is considered to be embryonic sterilizations, and if the diagnosis is confirmed, termination should be carried out in time. If embryonic sterility is confirmed, termination of pregnancy should be given in time, and abortion or medical abortion should be given according to the size of the gestational sac and individual’s wish. It is recommended that the patient rest in bed during the treatment period, avoid unnecessary stimulation, avoid heavy physical activities and exertion, prohibit sexual intercourse, and keep the vulva clean and hygienic.