The training fee of Loong Air should be paid in one lump sum. According to the relevant information, the training fee of Changlong Airlines needs to be paid in one lump sum. Training fee is a normal fee charged by airlines, including the cost of having teachers or instructors to teach theory and practice, the cost of cabin practice of simulators, and the cost of performance training. The process of Changlong aviation training can be divided into five parts, including quality training of flight attendants, teamwork, emergency treatment, cabin service and cabin safety.