False positives in early pregnancy test paper may be caused by improper operation, poor quality of test paper, and female endocrine abnormalities. 1. Improper operation: using early pregnancy test paper to detect pregnancy, it is best to use morning urine. According to the instructions on the test method, read the results should be read within the specified time, not too short, not placed too long. 2. Poor quality of test paper: expired early pregnancy test paper or test paper itself is not of good quality, may lead to problems in the test results, resulting in false positive results. 3. Female endocrine abnormalities: endocrine abnormalities in a woman’s body lead to hormonal changes, or the use of drugs containing HCG can also make the test paper false-positive. In addition, if a woman has a positive test at home, it is best to go to the hospital for a blood test to confirm the diagnosis, and can also check the ultrasound to determine whether the pregnancy is intrauterine.