There is no authoritative information on how much AIDS self-testing paper costs, it usually costs 20~50 dollars, the specific cost exists in the variability of manufacturers, regions and other factors. HIV self-test paper is a new type of test reagent, in general may cost 20 ~ 50 dollars . The specific cost of HIV self-testing paper cannot be generalized and there is significant variability due to the different manufacturers, brands, types of test strips and regions where they are located. Clinical studies have shown that the accuracy of HIV self-tests is 97% to 99%, which is convenient, fast and accurate. AIDS self-test paper can be divided into blood test paper and saliva test paper, usually, need to be tested outside the window period of AIDS, usually 15-20 minutes after the test will appear the results. The results of HIV self-testing paper cannot be used as a basis for confirmation or exclusion, and must be confirmed in the hospital to avoid misdiagnosis and delay of the disease.