I would like to thanks Aj. Pintusorn Onpiam, Teacher of introduction to Hospitality Management at the Faculty of International College, Chiang Mai Rajabhat University, for asking me to do a report about Trends in increase in part-time workers of Leadership and Management. This report is used to upgrade my sore and this report also concerns to the subject that I am learning. I understood about leadership and management much more in detail which will be very useful when taking exam. This project improved my concentrate level of focusing information and it also improved my English.