The process of turning off the "Rest assured purchase" function in the Douyin live broadcast room is as follows:

1. Enter the Douyin store merchant backstage and click the marketing center on the left.

2. In the marketing center, click on the "Promote revenue" function - e-commerce compass.

3. After entering the e-commerce compass, click on the gear symbol in the lower left corner of the live broadcast room.

4. Click to stop the live broadcast.

I hope the above information is helpful to you.