How long can a broken blood vessel heal is generally based on different parts of the blood vessel, as well as the patient’s own healing ability and other differences for objective analysis: 1, if the patient’s superficial capillary rupture, the body’s own healing ability is strong, local pressure for 3-5 minutes, the ruptured capillary can heal on its own. 2, if the patient’s thicker small veins or arteries rupture, even if the patient’s healing ability is strong, simply using If the patient’s large blood vessel ruptures in the abdominal cavity, the patient’s life will be endangered by hemorrhagic shock within a short time, and some patients will die directly if they can be actively rescued and vascular repair, it usually takes two weeks for the vessel to completely heal.