刑法上所規定過失犯之類型，包含「無認識過失」、「有認識過失」，「過失作為犯」、「過失不作為犯」以及「普通過失」、「業務過失」等。然而，對於對於過失犯成立要件及其類型，目前學說與實務見解，尚未有深入與完整之分析，使得過失犯成立要件應如何解釋，過失犯之類型應如何界定，論者人言言殊，令人莫衷一是。為解決前述之爭議，本文特就過失犯概念之內涵與結構予以分析，據此解釋過失犯之成立要件與其類型，並針對具體個案上之適用爭議，提出處理之意見。

The types of negligent crimes under Criminal Code, contain unforeseen
negligence, foreknowable negligence, negligent offence by commission,
negligent offence by omission, general negligence and professional negligence.However, the current views from theories and judicial practice have not comprehensively and completely analyzed the elements and types of negligent crimes. Different opinions about the elements and types of negligent crimes,have not orientated a definite conclusion, therefore, disputes have been happened time to time, while in interpreting the characteristics and elements of criminal types about negligent crimes.In order to resolve the disputes aforementioned the proposal of this study
plans to analyze the constitution and comprehension about concept of negligent crimes, to interpret and define the elements and types of negligent crimes.This study will also suggest resolutions against application disputes on concrete cases.