The present invention relates to a picture book for an infant, wherein the picture book capable of arousing the interest of the infant allows the infant to actively participate in learning through direct action so that the infant can easily recognize and memorize pictures or words filled in the picture book. A picture book for an infant according to the present invention comprises: a book main body including a front cover, a back cover, and an inner sheet part having multiple inner sheets therein and formed between the front cover and the back cover; a facial expression changer formed on the front side of the back cover and having multiple folded parts which have a folding line and are overlapped with each other; a through-hole having a shape and a diameter which correspond to the facial expression changer, penetrating the inner sheets, and fit to the outside of the facial expression changer; an emotional change recording blank formed on the rear side of the front cover and filled with words expressing the changes of facial expressions; and multiple facial expression blanks formed around the emotional change blank of the rear side of the front cover and around the through-hole of the rear sides of the inner sheets, and filled with shapes and facial expression pictures which correspond to the respective folded parts of the facial expression changer, wherein the folded parts can be folded or unfolded around the folding line so that the facial expressions on the facial expression changer can be changed, and the rear side of the front cover corresponds to the through-hole.
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