In recent years, due to the fast economy growth, higher national income, the change of eat and drink habits, and the increment of eat-out population, the growth rate of breakfast fast food chain increases rapidly. Therefore, this research applies the IDEAL model in the Organizational Training (OT) process area of CMMI (Capability Maturity Model Integration) to improve the training processes of the organization. Through the process improvement, a complete staff training system is built and the quality of staffs is enhanced, and furthermore the competitiveness of the chain stores is increased. The results of this research could be a good reference for other fast food chains.