A deep and shallow test after 6 days of intercourse is often related to a false positive test paper or pregnancy, which should be diagnosed at this time in conjunction with other conditions of their own. 1, test paper false positive 1, drug influence: if the patient is recently taking ovulation drugs containing hCG, may make the test paper false positive; 2, improper operation: if the patient does not operate correctly according to the instructions, so that the test paper soaking time is too long, urine volatilization, sometimes there will be a second weak positive band, resulting in false positive results; 3, test paper expired: if the test paper has exceeded the use of the deadline, from time to time manifested as false If the test paper has exceeded the use period, it often shows false positive. Second, the pregnancy test paper one deep and one shallow, weakly positive, indicating that the urine contains a small amount of hCG, may be caused by pregnancy. In this case, you should go to the obstetrics and gynecology department of the hospital and have your blood tested for hCG in order to clarify whether you are pregnant. If pregnancy is confirmed, the mother and those around her should quit smoking to prevent the fetus from being affected by nicotine. In addition, you should take folic acid and trace elements as prescribed by your doctor to ensure fetal development. You can eat more fresh fruits and vegetables to provide your body with various nutrients. In case of abnormalities such as vaginal bleeding and abdominal pain, do not take medication on your own, but go to the hospital as soon as possible to avoid medication affecting the normal development of the fetus.