The objective of the special project is to study the business opportunity, trend of the ventilator business growth. Company choose ventilator as the related diversification product to increase the business growth. Study and evaluate the overall business information and trend, threat and opportunity, competitors’ information and business strategy. In order to set the right business strategy, the company needs to evaluate both internal and external factor. So that the business strategy can be completed the market and achieved the business’s objective. From the study found that the trend of ventilator is still in the growth direction and expanding. In order to increase the business strength to be able to expanding the business growth, achieved market share on the strong competition situation. Company needs to continue develop the capacity and efficiency of staff. Reducing cost by increasing the ability of working. Focus on market activities in order to create the brand awareness and accepted by customers. Company needs to develop the evaluation and controlling system in order to achieve the business strategy with high effectiveness. This evaluating and controlling system will be compatible with the strategy. Finally, this evaluation and controlling system will cause the efficiency and competitive advantage and sustainable profit growth.