About PSYBEHAV2019 2019 4th International Conference on Psychology and Behavioural Sciences (PSYBEHAV2019) (http://www.psybehav.com/2019/en/home) is a platform for academic communications between specialists and scholars in the fields of psychology and behavioural sciences. PSYBEHAV2019 will be held in Xi'an, China during May 29-31, 2019. Xi'an is the capital of Shaanxi Province, located in the northwest of China. Publication 2019 4th International Conference on Psychology and Behavioural Sciences (PSYBEHAV2019) accepts original and unpublished papers. Both Full paper and Abstract are welcomed. Full papers accepted by the conference will be published online in the following journals of Science Publishing Group (http://www.sciencepublishinggroup.com). The journals have been indexed and abstracted by WorldCat, CrossRef, Electronic Journals Library, CNKI, Zeitschriftendatenbank, EZB, ResearchBib, Polish Scholarly Bibliography, Wissenschaftszentrum Berlin, etc. Psychology and Behavioral Sciences (PBS) http://www.sciencepublishinggroup.com/j/pbs ISSN Print: 2328-7837 ISSN Online: 2328-7845 Social Sciences (SS) http://www.sciencepublishinggroup.com/j/ss ISSN Print: 2326-9863 ISSN Online: 2326-988X Science Innovation (SI) http://www.sciencepublishinggroup.com/j/si ISSN Print: 2328-7861 ISSN Online: 2328-787X