From the statistics in Table 1, Internal Factors that affect English vocabulary memorization .The results of the study shows factors that students strongly agree are The promotion of parents affects memorizing vocabulary(40.00%), Positive thinking English affects memorizing vocabulary(43.33%), The interest of the students affects memorizing vocabulary(48.33%). Factors that students agree are Liking affects memorizing vocabulary(41.67%), Positive motivation affects memorizing vocabulary(46.67%), Fear- arousing communication affects memorizing vocabulary(38.33%), Anxiety affects memorizing vocabulary(45.00%), Stress affects memorizing vocabulary(41.67%), Learning behaviour of students affects memorizing vocabulary(41.67%), Wisdom affects memorizing vocabulary(46.67%).