On Shopee Thailand, suitable categories include:

1. Fashion and apparel: Thais pay great attention to fashion and beauty, so fashion and apparel is a very popular category.

2. Beauty and skin care: Thais attach great importance to beauty and skin care, so this is a very promising category.

3. Household items: Thais also attach great importance to household items, including furniture, home decorations and home appliances.

4. Food and beverages: Thailand has a lot of food and beverages, including Thai coffee, tea, juice and candy.

5. Maternal and child products: Thailand's pregnant women and baby market is also very large, so maternal and child products is a very promising category.

6. Sports and fitness: Thais also love sports and fitness, so the sports and fitness category is also very popular.

In short, there are many categories on Shopee Thailand, and you can choose the right category to do business according to your interests and expertise.