Before writing a song, you must first determine the artistic conception that the lyrics mainly want to express, and don't be inconsistent. And the lyrics should be meaningful, and don't shout slogans in vain.
Sentence requirements:
Don't have too many words in each sentence. Not every composer is Jay Chou, and many words can be written. It is best to control the number of words in each sentence at about 7 to 10.
Language requirements:
Beautiful sentences and concise content. To put it vaguely, vernacular Chinese is a mistake that many people make.
To write a complete lyric, it must be revised to make the rhyme more natural. Be careful not to make the sentence unreadable because of rhyme.
Finally, it is very important that the author's literary skills.
If you want to write pop songs, you should pay attention to your own style and don't go with the flow.
Come on! I hope you can write good lyrics.
However, it is a bit difficult to do it quickly, because the lyrics have to be practiced by experience. If you need it urgently, you can also find someone else to write it for you.