Cooking school, catering training institutions, private chefs and restaurants, online courses. 1, cooking school: Many cooking school offer various cooking courses, including training in roasting whole pigs. Search for related cooking courses in local cooking school or online.

2. Catering training institutions: Catering training institutions also provide training courses for roasting whole pigs, and these institutions will provide professional teaching and practical opportunities.

3. Private chefs or restaurants: Private chefs and restaurants also offer training courses on roasting whole pigs. Contact your local private chef or restaurant to find out if there are any relevant training courses.

4. Online courses: The online course platform provides various cooking courses, including the training of roasting whole pigs. Search for related courses on these platforms and choose the appropriate courses according to your own needs.