Uterine fluid without bleeding and abdominal pain in early pregnancy may be physiologic uterine fluid, which needs no treatment. Secondly, it may also be caused by preeclampsia, which requires medication and, if necessary, surgery. Pregnant women with uterine fluid in early pregnancy, the level of uterine fluid is within 5mm. And pregnant women do not appear vaginal bleeding, abdominal pain and other manifestations, mostly considered a normal physiological phenomenon, can not be treated, but pregnant women need to go to the hospital on a regular basis to the maternity examination. In addition, the presence of fluid in the uterine cavity in early pregnancy is also considered to be caused by a small amount of bleeding in the uterine cavity due to preeclampsia. Pregnant women need to take intramuscular progesterone or vaginal insertion of progesterone and other progesterone under the guidance of the doctor, and if the pregnant woman does ultrasound examination and finds that the embryo is not well developed, then she needs to take scraping or purging to terminate the pregnancy. Fluid in the uterus in early pregnancy may also be caused by uterine adhesions, endometritis and other diseases. It is recommended that if physiologic uterine fluid is present in early pregnancy and there is no abdominal pain or vaginal bleeding, treatment is usually not needed. If pathologic uterine fluid occurs, the patient needs to consult a doctor in time and follow the doctor’s instructions to choose the appropriate measures for treatment.