With age, many older people have varying degrees of hardening of the blood vessels, blood vessels are very elastic, in order to make the blood flow smoothly, so the inner wall is very soft. So, can pulsatilla injection soften blood vessels, and what to do when adverse reactions occur? Pulsatilla injection is to nourish the liver and kidney, the treatment of disease, has good efficacy. Research from the change to nourish yin and clear heat, blood circulation as the main treatment law, by XuanShan blood rheology, on the ligation of the middle cerebral artery and the carotid common motility ginseng, cow's knee and other traditional Chinese medicine by scientific methods of extraction and refinement of the veins after the cerebral ischemia caused by the protective effect of the blood, as well as on the vasculature through the traditional Chinese medicine injections, has the dilation of the blood vessels, improve microcirculation, the increase in the permeability of the influence of the blood flow and so on on to Poroxam as a co-solvent to the plus blood flow and other effects. It can be seen that vasotonin injection has the effect of softening blood vessels, vasotonin injection in clinical application has a rapid onset of action, precise efficacy, good safety features, recognized by the majority of patients and physicians. What should I do if I have an adverse reaction to the use of vasopressin injection? The author reminds us that the allergic reaction is easy to occur, it is recommended that health care personnel in the use of drugs before asking the patient's allergy history in detail, allergic individuals should be used with caution, and to strengthen the monitoring of the use of medication for middle-aged and elderly patients. In addition, there are also cilostazol tablets with similar effects. Cilostazol tablets: can improve the limb ischemia caused by chronic ulcers, pain, chills and intermittent claudication, and can be used as a surgical treatment of the above diseases (such as angioplasty, vascular grafting, sympathectomy) after the complementary treatment to help alleviate the symptoms, improve the circulation and inhibit thrombosis in the transplanted blood vessels.