【反义词】[[对外开放]]、[[广泛交流]]、[[门户开放]]<ref>[https://www.cidianwang.com/cd/b/biguanzishou27611.htm 闭关自守的解释_汉语词典_词典网] 闭关自守的解释:[close the country to international intercourse] 封闭关口,不跟外国往来。也比喻与外界隔绝,不接受外界事物的影响,在线词典。</ref>

==成语用法==