This study aims at investigating the usage of English language as a medium of instruction for teaching French language in high secondary schools text book one in Sudan. The study investigates the problems facing students in high secondary schools in Sudan in learning french language. The study empolyed the exprimental research method. The students who learn french through thefrench text book of the government are used as a control group whilest the students who learn french throgh the model designed by the researcher used as an exprimentalone. The Objectives of the study are: facilitating learning process and shortening the period of learning besides enhancing and consolidating English language. The study followed these statistical methods: descriptive, experimental and the analytical one. The analysis was carried out through (SPSS). The results have supported the hypothesis with p-value 0.002. The study has reached these results: Using English language as a medium for instructing French language participates in facilitating learning process based on the similarities and minimizing the period of learning between the two languages besides enhancing and reinforcing the English language. Accordingly, the study recommends that this model should be used in high secondary schools in teaching french text book one the students who graduated from Sudanese universities, faculties of Art and Education in French sections should be trained in teaching this model for they are acquainted with the English language.