The reason for the two lines of the pregnancy test may be pregnancy, gravidity, malignancy, etc. or a false positive test. The pregnancy test stick mainly checks the HCG in urine, and any reason that can cause the HCG in human urine to rise can cause two lines in the pregnancy test stick. 1. false positive test: the quality of the pregnancy test stick or the use of some drugs such as sedatives or ovulation drugs may affect the test results, so you can change the pregnancy test stick and retest, or take blood tests to determine the cause. 2. pregnancy: there can be increased vaginal discharge, menopause, dizziness, nausea, vomiting and other symptoms. If the pregnancy is intrauterine and there is a birth plan, regular obstetric checkups should be performed. If the pregnancy is ectopic, medication or surgery can be given according to the situation to terminate the pregnancy; 3. The HCG in blood and urine is abnormally high, and the pregnancy test shows two obvious bars. The diagnosis of staphylococcal fetus requires ultrasound examination, the pathological structure is typical snowfall or honeycomb, once the diagnosis is confirmed, the uterus should be scraped in a timely manner, and when there is more bleeding, uterine artery embolization can be performed first, and patients without pregnancy needs can choose total hysterectomy; 4, other: gestational trophoblastic tumor, ovarian cancer, lung cancer and other malignant tumors can also promote the secretion of HCG in the body, and the phenomenon of two bars on the pregnancy test can occur. It is possible to make a comprehensive judgment based on the patient’s signs and test results, and then to confirm the diagnosis and provide targeted treatment. When using a pregnancy test, make sure that the package of the stick is not damaged and that it is within the expiration date. When using the stick, strictly follow the instructions in the instruction manual to avoid problems due to too long or too short testing time.