The increase in bleeding from a small amount after abortion is usually an abnormal symptom, which may indicate the presence of uterine cavity residue or infection and other factors. 1. Uterine cavity residue: abortion surgery may be due to improper surgical operation and other factors caused by the uterine cavity residue, if the volume of residue is large, it will cause some stimulation to the body, heavy bleeding, and in serious cases, it will also have a certain impact on daily life. 2. Infection: In general, abortion is relatively more harmful to the body, traumatic factors may cause the body to have a uterine cavity infection, under the stimulation of inflammatory factors will also cause the body to have abnormal bleeding. Women should pay attention to more rest after abortion, at the same time should relax, to avoid tension, anxiety, to eat more food rich in protein, eat more fresh vegetables and fruits, to ensure that the intake of food nutritional balance, to avoid nutritional single. If there are symptoms of increased blood volume from less to more after abortion, it is recommended to consult a doctor in time to clarify the cause of the disease with the help of the doctor and carry out targeted treatment or therapy.