The journal is a forum of the highest professional quality for both scientists and practitioners to exchange ideas and publish new discoveries on a vast array of topics and issues in grey system. It aims to bring forth anything from either innovative to known theories or practical applications in grey system. It provides everyone opportunities to present, criticize, and discuss their findings and ideas with others. A number of areas of particular interest (but not limited) are listed as follows:Grey mathematics-Generator of Grey Sequences-Grey Incidence Analysis Models-Grey Clustering Evaluation Models-Grey Prediction Models-Grey Decision Making Models-Grey Programming Models-Grey Input and Output Models-Grey Control-Grey Game-Practical Applications.