False pregnancy is also two bars is due to central nervous system disorders or the failure of the pregnancy test, incorrect testing methods, choriocarcinoma lead to double bars. 1. Disorders of the central nervous system: As women are particularly eager to get pregnant, it may lead to hypothalamic dysfunction, causing luteinizing hormone and prolactin levels to increase, which may lead to the phenomenon of two bars on the pregnancy test, and may cause symptoms similar to pregnancy. 2. Failure of the pregnancy test: due to the expiration of the pregnancy test, or the quality of the manufacturer of the pregnancy test caused by the two bars of the pregnancy test during non-pregnancy. 3. Incorrect test methods: pregnancy test sticks, pregnancy test cards, pregnancy test pens, pregnancy test strips are different, different methods of pregnancy test, if the method is incorrect, there may be false positives. 4. Choriocarcinoma: after a woman suffers from choriocarcinoma, two bars will appear on the pregnancy test. False pregnancy with two bars need to go to the hospital in time to clarify the reason and be guided by the doctor for standardized treatment.