A functional cure for HIV is a condition in which the HIV virus no longer replicates and no longer affects the human body through a series of treatments, but the HIV virus is still present in the body. AIDS is caused by the human immunodeficiency virus (HIV) acquired immunodeficiency syndrome, is a very harmful infectious diseases, HIV will violate the human immune system, resulting in immune system deficiencies, causing a variety of opportunistic infections and tumors that threaten the lives of patients. Currently, there is a lack of effective drugs to cure HIV, but through general treatment, antiviral therapy, and improvement of immune function therapy, HIV viral load in the patient’s body is at a lower level, so that the patient can maintain a normal work and life, i.e., the functional cure of HIV, which is also the current standard of clinical cure.