To optimize clothing products on AliExpress and increase conversion rate, you can consider the following aspects:

1. Product title and description: Make sure the title is concise, attractive, and contains keywords. The description should provide detailed information about the product's features, materials, sizes, washing instructions, etc., so that buyers can have a comprehensive understanding of the product.

2. Images and videos: Use high-quality, high-definition product images, and provide multiple detailed pictures to show different angles and features of the clothing. If possible, use product videos to show the material, wearing effect, etc. to attract more attention.

3. Reviews and ratings: Encourage buyers to leave reviews and ratings after purchase. Good reviews and high scores will increase the credibility and conversion rate of the product. You can proactively communicate with buyers, actively solve problems, and encourage them to provide reviews.

4. Reasonable price: Conduct market research on AliExpress to ensure that the product is reasonably priced and compare prices with competitors. If possible, offer promotions or discounts to attract buyers.

5. Logistics and after-sales service: Choose a reliable logistics partner to ensure that the products can be delivered to the buyers in a timely manner. In addition, provide thoughtful customer after-sales service, respond to buyers' questions and complaints in a timely manner, and establish a good reputation.

6. Advertising and publicity: Use AliExpress's advertising platform to carry out targeted promotional activities to attract the attention of potential buyers. At the same time, you can also promote your products on social media platforms and related industry forums to increase product exposure.

7. Update products: Update products regularly, launch new styles and fashion designs, and keep pace with the market. At the same time, understand the needs and preferences of buyers, adjust the design and style of products, and increase the attractiveness of products. Through the above operations, you can improve the conversion rate of clothing products on AliExpress, increase sales and profits. At the same time, you also need to pay close attention to buyers' feedback and market changes, and adjust optimization strategies in a timely manner.