Dried blood of AIDS patients is generally not contagious. HIV exists in the patient’s blood in the lymphocytes, and once the HIV virus leaves the body, blood coagulation, the virus loses nutrients, it will soon die in a dry environment, and dry blood loses mobility, it is difficult to spread through broken skin, and is generally not contagious. If you suspect contact with the blood of AIDS patients, you can wash the wound in time, and then go to the nearest regular hospital, under the guidance of a professional physician within 72 hours to take oral AIDS blocking drugs to block, the sooner you take the blocking effect is better. Contact with the blood of AIDS patients need to consult a regular hospital in a timely manner, do not listen to false information on the Internet, small ads, in order to avoid delays in the condition.