1. safety: ensure the safety during plastic surgery, including the safety of operators and the safety of products.

2. Product quality: The purpose of plastic surgery is to improve the appearance and quality of products, so it is necessary to ensure that plastic products meet quality standards.

3. Production efficiency: The plastic surgery process should improve the production efficiency as much as possible to ensure that the plastic surgery task is completed within the specified time.

4. Cost control: The plastic surgery process needs to control the cost, so as to ensure that the price of plastic surgery products is acceptable and make appropriate profits.

5. Environmental protection: The plastic surgery process should minimize the impact on the environment, and adopt environmentally-friendly materials and processes to ensure that the plastic surgery process meets environmental protection requirements.