AIDS can be detected through a blood test and is diagnosed when the HIV antibody test results are positive and there are symptoms of AIDS. AIDS, also known as Acquired Immune Deficiency Syndrome, is an infectious systemic disease. After infection, the human body will produce antibodies after a certain period of time, and it is necessary to draw blood to test for AIDS after the window period. Currently, the window period is usually 6 to 8 weeks. If you want to monitor during the window period, you need to utilize the P24 antigen test or check the RNA of HIV to confirm the diagnosis. Patients with AIDS will have varying degrees of immunodeficiency and eventually die due to complications from various infections and malignant tumors. Therefore, once the diagnosis is confirmed, aggressive treatment is needed to prolong the patient’s life and improve the quality of life.