Cheminformatics is a spectacular advancement in drug discovery and development. Cheminformatics is the combination of chemical synthesis, biological screening and data mining approaches used to guide drug discovery and development. Cheminformatics applies information technology to chemical data and includes topics such as chemical databases, combinatorial library design, computational chemistry, structure activity relationship, data sequencing, visualization and structure-based drug design. Thus cheminformatics is a boon to medicinal chemistry specially drug design.