（1） User experience first

1. Understand user needs: Through various research methods, understand user needs, habits, psychology, and other information about a certain type of product, in order to guide subsequent design work.

2. Simplify the operation process: Simplify the operation process as much as possible, reduce the steps and choices that users need to make.

（2） Innovation and functionality are equally emphasized

1. Continuous innovation: constantly innovating design ideas and technical means to enhance the competitiveness of products.

2. Ensuring functionality: Innovation must be combined with functionality, and basic product functions cannot be sacrificed for the sake of innovation.

3. Introducing new technologies: Introducing new technologies can make products more intelligent, convenient, and personalized.

4. Highlighting differentiation: Highlighting one's own differentiation characteristics among similar products to increase market competitiveness.

（3） Sustainable development

1. Environmentally friendly materials: Using environmentally friendly materials as much as possible can reduce pollution to the environment and establish a good image for the enterprise.

2. Energy saving design: reduces the consumption of energy resources by products and can save users on usage costs.

3. Recyclable: Try to consider whether the product can be recycled after use and minimize the amount of waste generated.

4. Social responsibility: Possess a strong sense of social responsibility and minimize the negative impact of products on society and the environment.