In the present article, the author first adopts one of the theories of humour mechanism, then brings examples into the scope of pragmatics, especially into the scope of the principle of relevance, for analysi s. It is found that when the pragmatic analysis is combined with the incongruity theory, we could know better how houmour is produced and perceived. The author concludes that study of humorous utterances is primarily a matter of pragmatics, and its...