A filing system necessary for smooth running of any office, school and laboratory. All the information about experiment, chemical, stock books and correspondence should be clear, accessible, adaptable and easily understood in a good filing system. There are various systems of filing for science stock, paperwork and for practical. The catalogue filing can be done in different ways. The record of information about abnormal incidents is also to be kept for being reported to proper authority. Another important aspect is the recording of listed poisons and alcohol used. Record keeping is an important aspect of laboratory safety.