A small amount of vaginal bleeding in early pregnancy has two possibilities: physiological bleeding and pathological bleeding, which can be treated according to the cause with bed rest, fetal preservation or uterine evacuation. 1. Physiological bleeding: early pregnancy due to the fertilization of the egg and hormone levels, the endometrium may be irregular shedding, the formation of a small amount of physiological bleeding, this situation is generally less bleeding, do not need special treatment, bed rest and observation; 2. Pathological bleeding: vaginal bleeding due to decreased hormone levels, embryonic dysplasia, ectopic pregnancy, trauma and other factors is generally called pathological bleeding, which may lead to preeclampsia, difficult to avoid miscarriage, rupture of ectopic pregnancy, etc., and need to perform ultrasound, HCG and other tests before carrying out fertility preservation or uterine evacuation, surgery and other symptomatic treatments. Heavy physical activities should be avoided in early pregnancy and sexual intercourse should be avoided.