A little bit of brown blood every day, may be the first sign of miscarriage or ectopic pregnancy, may be the cervix, uterine inflammation caused by some of the effects of intrauterine devices, or endocrine disorders, or some and cervical tumors and other related. 1. Pre-eclampsia or ectopic pregnancy: If women do not have normal menstruation, it may be related to pregnancy, pre-eclampsia or ectopic pregnancy, there may be a little bit of brown blood discharged every day, so the women who have sex should have a blood draw to check the HCG as soon as possible. 2. Inflammation of the cervix and uterus: the uterus or the cervix is eroded by inflammation, and there are different degrees of blood vessel damage and rupture, which may occur every day with a little brown blood. 3. Intrauterine device: Intrauterine device may stimulate the uterine wall, resulting in partial rupture of blood vessels, some will have a little bit of brown blood every day. 4. Endocrine disorders: patients with endocrine disorders may also have abnormal stripping of the uterine lining, resulting in a little brown blood every day. 5. Tumor: cervical or pelvic tumors may have different degrees of tissue damage, blood vessel rupture, and symptoms of a little brown blood every day. A little bit of brown blood every day is an abnormal phenomenon, which must be examined as soon as possible and treated under the guidance of physicians.