One of Mae Fah Luang University’s policies is to train the university’s student to be effective industrial staff by Professional Experience program during semester. My Professional experience was between June 2nd, 2015 to August 7th, 2015. It was an opportunity to use my knowledge and skills learned in the classroom to real work. During the internship, I worked as a real staff of CIMB THAI. I was assigned to work in customer service, and I was thought to work as many as I can to be able to work out with quality.