Abstract: MAO Ze-dong's thought of opening-up is formed gradually in China's revolutionary and constructional practice.It has the characteristics of independence,integrity,long-term,realism and flexibility.He explicitly proposed the thought "comprehensive opening-up" and the basic principles of opening to the outside world,and has theoretically solved a series of questions of studying foreign countries' experience.But MAO Ze-dong's thought of opening-up has also its historical limitations: politics is the main focus ...