The basic characteristic taste of Thai food in different parts of the country can be described in different ways: in the central region, food is hot, salty, sweet and sour. Rice is served with different types of nam phrik and soups e.g. tom yam kung. Dishes usually contain a lot of condiments and spices. In the North, food is mild or hot, salty and sour, but never sweet. Sticky rice is served with boiled vegetables, nam phrik oong and soups or curries. The North is also well-known for its sausage called "naem" which consists of fermented minced pork. It has a sour flavour and is sold wrapped in cellophane and banana leaf.

Food in the Northeast is hot, salty and sour. Their favourite foods include papaya salad (som tam), sour chopped meat salad "koi", sour minced meat salad (larb) . People use a lot of condiments but not many spices. Their meals generally consists of sticky rice and nam phrik pla raa accompanid by a lot of vegetableas including those found growing wild. On the other hand, food in the South is renowned for being very hot, salty and sour-tasting. Curries are popular and made with a lot of spices and condiments. Khao yam (a mixture of rice) raw vegetables and fermented fish sauce or boo doo is also a common dish.