If your SHEIN missing package, follow these steps to resolve the issue. og in to your Shein account and review the tracking details of your order. Reach out to the shipping carrier using the tracking number for the latest updates. Confirm that the delivery address is correct and check with neighbors or around your home. Check Tracking Information: Log in to your Shein account and review the tracking details of your order. Report the missing package to Shein’s customer service, providing your order number and tracking information.