As an e-commerce operations assistant, the choice of learning materials should cover the following aspects:

1. E-commerce platform: Be familiar with major e-commerce platforms, such as Taobao, JD.com, Tmall, etc. Understand their characteristics, operating rules, promotion methods, etc. You can obtain relevant information through official documents, blogs, forums, etc.

2. Product management: Master the operation processes such as product listing, delisting, and goods management. Learn how to write product descriptions, choose appropriate categories and tags to attract potential customers.

3. Store decoration: Learn how to design the store homepage, optimize product display, etc., to improve user experience and sales conversion rate. Find official tutorials, video tutorials or sharing by professional bloggers of e-commerce platforms to master relevant skills faster.

4. Data analysis: Learn how to use the data analysis tools provided by e-commerce platforms, such as the data centers of Taobao and JD.com. Understand how to analyze store traffic, conversion rate and other data, optimize operation strategies based on data, and improve sales performance.

5. Marketing and promotion: Learn the marketing and promotion methods of various e-commerce platforms, such as through trains, diamond exhibitions, event marketing, etc. You can learn through official documents, online courses, certification training of e-commerce platforms, etc.

In addition to the above aspects, you can also participate in online and offline exchanges in the e-commerce industry, join relevant communities or forums, share experiences with other e-commerce practitioners, learn from each other, and improve. I hope these suggestions will be helpful to you, and I wish you good results on the road to becoming an e-commerce operations assistant!