In recent years, Internet has become an indispensable tool for all types of information. Its importance has increased in medicine and particularly in human malignancies. The data issued by the Internet are many and varied sources ranging from official websites to patient's blogs. HIV infection is an infection highly publicized in recent years, we take the case of Hodgkin's disease associated with HIV to compare data from the Internet and scientific articles. The information from the Internet is mostly good but not updated and erroneous data are regularly found. This confirms that the consultation by a specialist doctor referral should remain the main source of information for the patient.