1. Domestic training courses: such as gic of Wuhan Jewelry College of China Geo University and ngtc of National Inspection Center. The training courses provided by these institutions cover the theoretical knowledge and practice of jade, and the corresponding certificates of jewelry appraisers or gemologists are issued.

2. Training courses abroad: For example, the knowledge systems of fga and gic are the same, and some training courses will combine them to enable students to master both knowledge systems at the same time.