When shopping for power tools, you can refer to the following aspects:

1. Distinguish between home-use and professional-use: According to your needs, determine whether to buy home-use or professional-use power tools. Generally speaking, power tools for professional use are more powerful to meet the working needs of professionals; while tools for home use are relatively less powerful and suitable for light works and daily maintenance.

2. Determine the functional requirements: According to your actual needs, choose power tools with appropriate functions. For example, if you need to drill or punch holes, you should choose an electric drill or hammer; if you need to carry out carpentry or metal processing, you should choose an electric saw or sander.

3. Consider the size and integration of the tool: choose compact, simple structure, easy to store power tools to improve the ease of use. Highly integrated power tools in the ease of use is often better than large, single-function products.

4. Concerned about the packaging: choose and buy power tools with clear, undamaged packaging. Make sure the plastic parts are intact and free of obvious marks and dents to ensure the freshness and quality of the product.

5. Brand and after-sales service: Choose power tools of well-known brands, they usually have better quality and after-sales service. When shopping, you can consult the sales staff or check the relevant reviews to understand the reputation of the product and after-sales service.

6. Price comparison: Under the premise of meeting the functional requirements, combine with your budget, compare the prices of different brands and models, and choose the power tools with better cost performance.

7. Try your favorite power tools: Before purchasing, if possible, you can try to use your favorite power tools in order to better understand their performance, ease of operation and other aspects, so as to make a more informed purchasing decision.

8. Consider power supply and range: For cordless power tools, pay attention to their battery life to ensure that long-term use is not affected. At the same time, if you need to charge frequently, you should also consider the convenience of the charger and power supply.

Combining the above factors and choosing the right power tool for you will help improve your work efficiency and quality of life.