You can earn a Shein gift card by participating in the brand's loyalty program or by participating in promotions and special offers. Here are a few ways you can earn a Shein gift card:

1. Sign up for the Shein VIP Program: Shein offers a loyalty program called the Shein VIP Program, 

which rewards customers for their purchases and activities on the platform. 
You can earn points for making purchases, 

writing reviews, and participating in surveys, among other things. You can then redeem your points for a Shein gift card.

2. Take advantage of promotions and special offers: Shein frequently runs promotions and special offers, 

such as discounts on specific products or free gift cards with a purchase. Keep an eye on the brand's social media pages and website for the latest promotions.

3. Participate in giveaways: Shein sometimes hosts giveaways on its social media pages, giving customers a chance to win gift cards and other prizes. 

Keep an eye on the brand's social media accounts for information about upcoming giveaways.

It's important to note that these methods may vary depending on your location and the specific terms and conditions of the loyalty program or promotion.