李汝珍（约1763—1830），字松石，号松石道人，直隶大兴（今属北京市）人，清代小说家，文学家。所以人称北平子，博学多才，精通文学、音韵等，现存最著名的作品是《镜花缘》。

Li Ruzhen (about 1763-1830), the character Pine Stone, the name Pine Stone Taoist, Zhili Daxing (now belonging to Beijing), Qing Dynasty novelist, writer. So he is known as Peiping Zi, knowledgeable and versatile, proficient in literature, rhyme and so on. The most famous extant work is Mirror Flower Margin.