Abstract: A kind of connector matching with Q9 series cable connector,which leads high fre-quency signal from vaccum cell introduced in this paper.The connector’S operating frequencyfrom 0～1000MHz,vaccum degree 10^-5 pa,and maximum voltage 1000V is achieved.It’s applica-tion confirms that it not only has superior performance of electricity and sealing but also easybeing used and simple structure.