Bleeding at 6 weeks of pregnancy can be caused by pre-eclampsia, ectopic pregnancy, combined vaginal and cervical lesions of pregnancy and external stimulation. 1.If the patient has been seen in the hospital for intrauterine pregnancy, irregular vaginal bleeding in the 5th week of pregnancy without abdominal pain or vague abdominal pain, except for vaginal and cervical lesions, consider the possibility of pre-eclampsia abortion and seek medical attention for a clear diagnosis. If there are no obvious external factors (external impact on the abdomen, intercourse, etc.), vaginal bleeding due to insufficient hormone levels (HCG or progesterone) should be considered. In this case, the blood HCG and progesterone levels should be rechecked and the early pregnancy ultrasound should be repeated. If the ultrasound indicates normal embryonic development, treatment of fetal preservation should be given. If the ultrasound indicates embryonic abortion, clearance of the uterus should be performed as soon as possible. 2.If the patient has no clear intrauterine early pregnancy in the past, only positive urine test paper at home, bleeding at 6 weeks of pregnancy does not exclude the possibility of ectopic pregnancy, you should consult a hospital promptly for clarification, if accompanied by obvious abdominal pain symptoms, you should consult a nearby hospital immediately. Blood HCG and vaginal ultrasound should be checked, and if the result shows ectopic pregnancy, surgical treatment is usually required. In conclusion, regardless of the cause of bleeding at 6 weeks of pregnancy, it is necessary to seek medical attention promptly, especially for pregnant women with undetermined intrauterine pregnancy, who need to be alert to bleeding caused by ectopic pregnancy.