At the injection site subcutaneous bleeding < 1 cm * 2 cm, need not special processing, can dissipate within 3 ~ 5 d, if the area > 2 cm x 3 cm local can plaque scleroma heat affect patients' body, make the patients nervous psychology, to distrust the nurse at the same time, active measures should be taken to treat, also can choose is safflower oil besmear outside, 3 times/d, is the effect of safflower oil is promoting blood circulation to remove blood stasis, effect is good through the clinical observation, all patients with subcutaneous hemorrhage dissipate within a week.