Social development, the per capita cultural level of improvement, social requirements are also increasing ~ in the face of customers on the catering hygiene food taste requirements, we have to improve the quality of service and optimization of the catering environment ~ even in the form of fast food to provide the form of focus on the psychological feelings of customers to let the customer's experience of the service is beautiful is relaxed and even pleasant ~ so to focus on several points 1. product quality 2. Service attitude 3. customer psychology 4. catering environment For the customer psychology, you can smile from the service environment feeling service efficiency Several aspects (you do not add points, I am sorry I am so serious )