In the ancient style, farewell referred to using some poems, famous sayings, aphorisms, etc. to express a warning or farewell of some important information. The common methods were: 1. Send you far away: use the ancient poem "Send Yuan Er to Anxi" to express the feeling of parting. [2. Decisive farewell: Use the poem "Happy Meeting" in the poem "Silent alone on the West Tower, the moon is like a hook." Lonely sycamore trees in the deep courtyard lock the clear autumn. If I can't cut it off, it's still a mess. It's the sorrow of separation. Don't let the feeling in your heart linger to express the sadness and determination of parting. 3. Warning farewell: Use the poem "Climbing High":"The wind is fierce, the sky is high, the apes are howling, the white birds are flying back." The endless falling trees rustle and the endless Yangtze River rolls over "to express the warning and emotion of parting. 4. Promise to bid farewell: use the ancient poem "Song of Everlasting Sorrow" in the "Green Garden Sunflowers in the morning dew waiting for the sun to dry." In spring, all things in the world shine. I often worry that the yellow flowers will wither when the autumn festival comes. When will the rivers flow east to the sea and return to the west? If you don't work hard when you're young, you'll be sad when you're old." To express their promise and farewell to the future. The above were just some common methods. The specific method to use would depend on the specific situation and storyline.