Breast paste is used when it is matched with elegant evening dress, casual suspenders, backless, bare arms and perspective clothes to avoid exposure. Breast patch is a kind of paste-like object used on human breast nipple to cover areola, so as to achieve the effect of invisible underwear. The function is to replace the bra, which makes people feel comfortable, safe and beautiful, and has decorative effect from the visual effect. Fashion, trendy, convenient and keep pace with the times.