6 weeks belongs to the early stage of pregnancy, at this time there is bleeding and pregnancy vomiting is obvious, we should consider whether it is caused by preeclampsia, ectopic pregnancy, pregnancy vomiting and other reasons. 1. Pre-eclampsia: The embryo is unstable in early pregnancy, and pre-eclampsia may occur if no attention is paid. 2. Ectopic pregnancy: If the bleeding is not heavy and accompanied by abdominal pain, then also consider whether it is caused by ectopic pregnancy. 3. Gestational vomiting: If the pregnant woman vomits obviously, then pay attention to whether there is a case of gestational vomiting, if there is a case of gestational vomiting, resulting in increased abdominal pressure of the pregnant woman, which is also prone to lead to bleeding. If there is bleeding, abdominal pain, vomiting, etc. in early pregnancy, then seek medical attention to avoid delay.