Pestalozzi's How Gertrude Educates Her Children is regarded as the "Bible" of primary education in19th century. After the book was published, it had a profound influence on European and American educators, including German educators Herbert, wrobel, Tisdod and American educator Horace in the19th century.

Pestaloch believes that teaching, like doing other things, must follow universal laws to succeed. This is the fundamental reason why he put forward "educational psychology". "I am looking for the laws that human intelligence development must follow in essence. I think they must have the same rules as their spouses.