The present invention discloses coupling compounds of a structure as shown in Formula I, II or III formed by connecting NSAID anti-inflammatory and analgesic drugs and EGFR inhibitors by ester bonds or pharmaceutically acceptable salts or stereoisomers thereof or prodrug molecules thereof:where R is a NSAID anti-inflammatory and analgesic drug. In the present invention, the coupling compounds obtained by coupling NSAID anti-inflammatory and analgesic drugs with EGFR inhibitors have excellent therapeutic effects of tumors and provide new drugs for clinic treatment options.