1. Buy in the official mall of Beijing Winter Olympics.

2. Participate in volunteer selection. If you are selected successfully, you will become a volunteer for the Winter Olympics. After volunteering, you will get a volunteer costume.

It should be noted that there are many styles and sizes of volunteers' clothes, and the specific choice needs to be based on personal circumstances. At the same time, in order to ensure that the purchased volunteer clothes meet the requirements, it is recommended to purchase them through official channels.