1, theoretical knowledge of stone care, mastering the characteristics of different materials of stone, and some basic knowledge of stone care, including stone protection treatment, stone renovation and stone crystal face treatment. And the introduction of stone care products, equipment operation procedures, work instructions, etc.

2. On-site operation of stone nursing. After mastering the theoretical knowledge of stone nursing, start field work. No matter how comprehensive the theoretical knowledge is, practice is the truth, and the field operation will encounter various problems. The whole process includes seamless processing, smooth cutting, grinding and polishing, preventing crystallization, mastering the skills of machine use, preparation of chemicals and so on. When encountering symptomatic stones, it is necessary to analyze the causes of symptoms and prescribe the right medicine.