The keyword selection method for Taobao non-standard products needs to consider multiple factors, including product characteristics, target customer groups, market trends, and competitor conditions.

The following are some word selection strategies:

1. **Analyze product characteristics**: First, we need to have a deep understanding of the characteristics of non-standard products, including style, material, function, etc., and extract possible keywords from them. For example, for non-standard clothing products, we can consider words such as style (such as "Korean version" and "retro") and material (such as "pure cotton" and "linen").

2. **Study target customers**: Understand the search habits and preferences of the target customer groups, and collect information through market research, user interviews, etc. For example, young consumers may pay more attention to keywords such as "trend" and "fashion".

3. **Use data analysis tools**: Use data analysis tools provided by the Taobao platform, such as Business Advisor, to analyze the search volume, click-through rate, conversion rate and other data of keywords, and find out the most cost-effective keywords. At the same time, you can also refer to the traffic flow of competitors and analyze the reasons for their success.

4. **Keyword segmentation and combination**: By segmenting and combining long-tail keywords, create more diverse keyword combinations. For example, split "women's shorts and cropped pants" into words such as "women", "shorts", "cropped pants", and "pants", and try different combinations.

5. **Pay attention to market trends**: The popular trends of non-standard products change rapidly, so you need to pay close attention to market dynamics and adjust keyword strategies in a timely manner. You can capture the latest popular trends by paying attention to fashion magazines, social media, industry reports and other channels.

6. **Optimize titles and details pages**: Reasonably arrange keywords in product titles and detail pages to ensure the density and relevance of keywords. At the same time, pay attention to avoid keyword stacking to keep the title readable and attractive.

7. **Testing and optimization**: Word selection is a continuous testing and optimization process. By constantly trying different keyword combinations and monitoring their effects, gradually find the keyword strategy that best suits non-standard products.

In short, the selection method of Taobao non-standard product keywords needs to combine multiple factors such as product characteristics, market trends and data analysis, and find the most effective keyword strategy through continuous testing and optimization.