AIDS is world wide rapid spreading disease in 21 th century. It is rapidly spreading in all the part of world. In whole world various aids research centers and WHO doing work for the preventive control, management of HIV positive patient . AIDS, WHAT IS AIDS? AIDS is abbreviation of Acquired Immune deficiency Syndrome.viz. Acquire-means acquired from sexual transmission . Immune-immunity of a body Deficiency- means loss Syndrome -means group of symptoms. In short AIDS spread due to spread of HIV(Human Immune Deficiency Virus with semen, vaginal fluids and blood of HIV POSITIVE patient. AIDS, EPIDEMOLOGY OF AIDS AIDS was recognised as as clinical entity in 1981 and within the next few year important advances were made in the understanding of its epidemology. There are two types of HIV-The most common HIV 1 and a more recently recognised virus (in west Africa) called HIV 2. The virus replicates, it is actively dividing, remains in lym