1. Reading order: Spring Festival couplets usually read the first couplet and then the second couplet, so the first couplet can be distinguished according to the reading order.
2. Font format: In Spring Festival couplets, the font format of the upper couplet may be different from that of the lower couplet. For example, the upper part may be in regular script, the lower part in official script, or the upper part in black font and the lower part in red font.
3. Content coherence: Under normal circumstances, the upper and lower couplets of Spring Festival couplets have certain connections and coherence. If you are not sure about the upper and lower couplets of Spring Festival couplets, you can judge them according to the meaning and content of the upper and lower couplets.
4. Horizontal batch position: The horizontal batch in the Spring Festival couplets is usually located in the center of the couplets, and there may be horizontal batches above and below the upper and lower couplets. If a horizontal batch is found, it can be determined according to the position of the horizontal batch.
Either way, as long as you carefully observe the font format, content and structure of Spring Festival couplets, it is easy to distinguish the upper and lower couplets of Spring Festival couplets.