If your SHEIN package missing, here are the steps you can take to resolve the issue:

1. Check the tracking status: The first step is to check the tracking status of your package. You can track your package using the tracking number provided by SHEIN. Check the status to see if the package has been delivered or is still in transit. If the package has been delivered, but you have not received it, move on to the next step.
2. Contact SHEIN customer service: Contact SHEIN customer service to report your missing package. You can contact them via phone, email, or chat. Provide them with your order details, tracking number, and any other relevant information. They will investigate the matter and try to locate your package.
3. Contact the shipping carrier: If SHEIN is unable to locate your missing package, you can contact the shipping carrier. The carrier may be able to provide more information about the location of your package or any issues with delivery.
4. File a claim: If your package is still missing after contacting SHEIN and the shipping carrier, you may need to file a claim. You can file a claim with SHEIN or the shipping carrier, depending on the specific situation. Follow the instructions provided by the company to file a claim and provide any necessary documentation.
5. Wait for resolution: After filing a claim, you will need to wait for the company to investigate the matter and provide a resolution. The resolution may include a refund, a replacement package, or other compensation, depending on the circumstances.

In conclusion, if your SHEIN package is missing, the first step is to check the tracking status. If the package is missing, contact SHEIN customer service and the shipping carrier to try to locate the package.

If the package cannot be found, file a claim and wait for the company to provide a resolution.