说到桃花与爱情的关联，不少人会首先想到《题都城南庄》： 

去年今日此门中，人面桃花相映红。 
人面不知何处去，桃花依旧笑春风。 

唐朝时，书生崔护到长安郊区的南庄赏桃花，于一农户门前偶见一少女，他向那少女要水渴，少女端来一碗水给他，崔护见她笑盈盈立于桃花之下，人面与桃花相映，美艳可爱，令他心动。别后，崔护时常想念，次年同日，他应试及第后，再访桃林，然院门深扃，伊人不在，于是怅惘不胜，题诗于门扇，黯然离去。有人看见，转告其家，那家人吃惊不小，因其女儿自崔护那年走后便害下相思病，后来竟辗转床榻，气息奄奄，虽四处求医，不见好转。得知这个信息，家人迅速找到崔护，崔护得知自是又高兴又担忧，前去探望。那少女原是因情结于胸不能释然，一见崔护自然豁然而愈。接下来自然是有情人终成眷属，皆大欢喜。而这个故事也不断被后人演绎着，其中以《桃花缘》最为有名。 

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