盗窃是指以非法占有为目的,秘密窃取国家、集体或他人财物的行为。高校内的盗窃犯罪,特指发生在高等院校内部的办公、学习、休息等场所,主要以广大师生为侵害对象的秘密窃取他人财物并非法占有的行为。依作案主体分类,可分为外盗、内盗和内外勾结盗窃三种类型。本文将从内盗和外盗的特点和成因入手,旨在探讨防范之策。 Theft refers to the act of secretly stealing the property of a country, a collective or other people for the purpose of illegal possession. The crime of theft in colleges and universities refers specifically to the places of office, study, and rest that occur inside the institutions of higher learning, mainly stealing other people’s property and illegally possessing it through the secrets of the teachers and students who violate it. According to the classification of the principal, it can be divided into three types: external theft, internal theft and collusion between inside and outside. This article will start with the characteristics and causes of internal theft and external theft, in order to explore preventive measures.