There are many kinds of chili pepper in Thailand. Depends on the dish type different chili pepper is used.

The most commonly used one is very short color green and red. Its length is about one inch and it is one of the most hottest pepper. You can easily find this any supermarket.

You can easily find this kind of chili in Yam-Un-Sen and any Thai spicy salad. Also you can find sliced ones on the table with sugar and fish sauce.

Thai people enjoy to eat spicy food, so this pepper is one of the most important ingredient for Thai spicy food.