In recent years, with the development of the Internet and the increasing diversity of languages, homophonic words are becoming more and more common in our daily life. Homophonic characters refer to Chinese characters with the same pronunciation but different meanings, such as "Apple", "Pinggu", "Cake" and "Dankao".

Homophonic characters have a long history and appeared as early as ancient times. Many homophonic words are recorded in Kangxi Dictionary. Most of these words are caused by the changes of ancient languages and the differences of dialects. For example, "Yan" and "Yan" were different in ancient times. However, with the passage of time, the pronunciations of these two words gradually converge, resulting in homophonic phenomenon.

In modern society, the use of homophonic characters has become a cultural phenomenon. In the commercial field, many names of companies and products are homophonic. For example, "six habitats" (meaning "disaster comes from the mouth"), "Pizza Hut" (meaning "winning customers") and so on. These names not only help brand promotion, but also increase customers' memory and word-of-mouth effect.

However, using homophonic words also has some negative effects. Some people ignore the accuracy of word meaning in pursuit of homophonic, which leads to semantic confusion. In addition, the use of some homophonic words also has inappropriate risks. For example, in the legal and financial fields, using homophones may bring misunderstanding and controversy to communication.

In a word, homophonic characters play an important role in our daily life. Through in-depth study and rational use of homophonic words, we can make better use of them to enrich our language and culture.