Kafka known as the 20th century literary master, and is honored as the originator of Western modernist literature in the twentieth Century. The majority of his works are difficult to understand, leaving the reader is the mystery of the existence. Autobiography as one of the important features of Kafka's writing, because his writing has all appeared his life's shadow . The features also appeared in Kafka's writing which called "American" and "Trial". Kafka's experience and life are the first source of his creation.