1. Determine the venue and budget: First of all, you need to determine the venue for a year's banquet, such as a hotel, restaurant or home. At the same time, according to your budget plan, determine the expenses you can bear.

2. Purchase materials: According to the size and layout of the selected venue, purchase suitable decorative materials, such as balloons, bouquets, ribbons, background cloth, etc. You can buy it at the local wholesale market, flower market or online.

3. Design layout scheme: You can find some pictures of the layout of the one-year-old banquet online for reference, and design a suitable layout scheme according to the actual situation of the venue. You can use some design software, such as AdobePhotoshop, Illustrator and so on, to make drawings of layout scheme.

4. Find a decoration service person: You can find someone who is willing to provide decoration service for you at a local wedding company, event planning company or part-time website. When looking for someone, I suggest you check their works and customer comments to ensure that they have rich experience and good reputation.

5. Agreed time and price: Negotiate the scheduled time and price with the service personnel to ensure that they can finish the work within the time you need. In terms of price, you can negotiate a reasonable price with the service staff according to the market situation and your budget.

6. Prepare other matters: In addition to the layout, you need to prepare other matters, such as food, drinks, music, etc. To ensure the smooth progress of the one-year-old banquet.