心形符號(hào)被普遍認(rèn)為是源自心臟。然而，有英國(guó)專家估計(jì)，心形符號(hào)是由男性眼中所見女性的臀部形狀演化而來。原因是因?yàn)樾呐K并非鮮紅色，而且上方?jīng)]有內(nèi)陷，底部沒有突出，與心形符號(hào)有明顯差異。

The heart (?) has long been used as a symbol to refer to the spiritual, emotional, moral, and in the past, also intellectual core of a human being. As the heart was once widely believed to be the seat of the human soul, the word heart continues to be used poetically to refer to the soul, and stylized depictions of hearts are used as prevalent symbols representing love.

What the traditional "heart shape" actually depicts is a matter of some controversy. It only vaguely resembles the human heart.

The seed of the silphium plant, used in ancient times as an herbal contraceptive, has been suggested as the source of the heart symbol.

The heart symbol could also be considered to depict features of the human female body, such as the female's buttocks

心形符號(hào)被用在所有表達(dá)愛意的場(chǎng)合，包括母愛，父愛，甚至對(duì)寵物狗的愛，而不僅僅是男女之間的愛情。