The present research was aimed to analyze the index of financial deepening of the agricultural loan portfolio of private universal banks in agricultural GDP in Venezuela between 1998-2008. The theoretical basis was made by: De Gregorio and Guidotti (1992), Freixas and Rochet (1997), and Hernandez and Parro (2005). The index of financial deepening is an indicator that lets you know if the banks are doing their intermediation function. The research was descriptive, with a longitudinal design trend. The population consisted of annual reports and statistics departments in the Web of the Superintendency of Banks and Other Financial Institutions (SUDEBAN), Central Bank of Venezuela (BCV) and the Economic Commission for Latin America and the Caribbean (ECLAC). The technique of data collection was a record sheet, the data was analyzed with annual growth rates for the agricultural loan portfolio of universal banking and private agricultural GDP in Venezuela between 1998-2008. The agricultural loan portfolio of private and universal banks in Venezuela agricultural GDP grew on average 21.4% and 3% respectively, in the period under study. The index of financial deepening of the agricultural loan portfolio of private universal banks in agricultural GDP in Venezuela was 8.7% in 1998 and passed in 2008 to 69.3%. The result for 2008 describes, for each agricultural GDP Bs 100 a little over Bs 69 was funded by private universal banks. Which shows increased indebtedness of the agricultural sector by limiting funding and slows the growth and development of this sector.