If the boyfriend sends flowers, the official announcement can take the following ways:

1. Social media exposure: You can post photos of flowers on social media with corresponding words to express your gratitude and joy. For example, "Thank you for the flowers. How beautiful they are! " Or "I like this bunch of flowers very much, it makes me feel extremely happy" and so on.

2. Write a short composition: You can write a short composition to describe your feelings and feelings of receiving flowers and express your gratitude and love for your boyfriend. For example, "dear, when I received the flowers you sent me, I felt extremely surprised and happy." This bouquet of flowers is like a signal of love you sent me, which made me feel love and attention. "

3. Make a bouquet of flowers: If you also like floral art, you can try to make a bouquet of flowers with flowers sent by your boyfriend, and add some ideas and creativity to turn this bouquet into a unique gift and give it back to your boyfriend. This kind of official announcement can not only show your craftsmanship, but also express your attention and concern for your boyfriend.

4. Video sharing: You can record a short video to share the joy and emotion when you receive flowers, accompanied by romantic music and subtitles. This kind of official announcement can let your boyfriend see your sincere feelings and record this special moment.

In short, the way of official publicity can vary from person to person, as long as it is the way you like and the way you can express your true feelings, you can try it. The most important thing is to keep a sincere and grateful attitude in the process of official announcement, so that your boyfriend can see your love and gratitude for him.