Blood is likely to contain a host of bacteria, viruses and parasites that can be contagious and affect a person who comes in contact with it. There is a high risk of getting affected with blood borne pathogens when dealing with blood, of which the scenario occurs during a violent crime, suicide or accident. Hence, blood cleanup calls for professional intervention. Nevertheless, the need to clean up a blood site requires immediate intervention until a professional arrives. In such a case, following are some necessary procedures to follow while cleaning blood. It is important to note that it is better to leave blood cleanup entirely to the professionals, if the extent of the blood site is large or a slight tampering can hamper forensic investigation.