Introduction, as the first part, includes the origin of the theory of the unpremeditated common crime and the original intention of the author.

• 本章分为两节，分别阐述了国外、国内刑法理论界对过失共同犯罪理论的研究现状及判例，并在肯定过失共同犯罪成立的基础上将其定性为共同犯罪。