1, shape characteristics: octagonal paper-cut flowers have a unique shape, which can be named from the number, size and shape of petals. For example, "sweet flowers", "hydrangea" and "flowers in all directions".

2. Flower language meaning: Each flower has its own unique flower language meaning, such as rose for love and peony for wealth. It can be named from the beautiful meaning represented by octagonal paper-cut flowers. For example, "Eight Blessed Flowers" and "Eight Immortals Crossing the Sea Flowers" and so on.

3. Regional culture: Different regions have different paper-cut styles and cultural backgrounds, so we can name the octagonal paper-cut flowers from their regional culture. For example, "Sichuan-style eight-treasure flower" and "Lu-style eight-party flower" and so on. Solemnly declare: the answer is for reference only, please don't be blindly superstitious.