English is particularly rich in synonyms for many reasons. Based on semantic similarity, synonyms are usually arranged into synonymic groups or sets. Some words are different in meaning; some words are different in emotional and stylistic colouring; Some words are different in collocation and distribution. So it is very indispensable to analyze the general methods of English synonyms. Based on semantic similarity, synonyms are often arranged in synonym groups or sets. Some words are different in meaning; some words are different in emotional and stylistic coloring; Some words are different in collocation and distribution So it is very indispensable to analyze the general methods of English synonyms.