1. Jiugongge thinking method: take a piece of white paper and divide it into 9 squares with a pen; 2. Directory point expansion method: copy the characteristics of goods in the directory; 4. Pay attention to SEO friendliness when writing online shopping products; Can't write goods; 5. Good product copy needs to be matched with excellent pictures; 6. Use copywriting to induce consumers to buy according to "your suggestion"; 7. The most sensitive product copy is to tell favorable facts; 8. Good copywriting can resist the attacks of competitors; 9. Commodity copy can be modified by season and sales figures.