The present study aimed at investigating the effect of a training program based on the successful intelligence theory in developing Saudi English prospective teachers' successful intelligence and higher order thinking reading skills. Reviewing literature and related studies have indicated that teaching successful intelligence skills is essential for Saudi English language prospective teachers; because it is the kind of intelligence that will be the most valuable in the real world after school. Besides, engaging in higher-order thinking reading skills that go beyond the basic levels of comprehension is also very important to them; to process text at deep levels, make judgments, and detect shades of meaning. Sixteen –level seven, Saudi English language prospective teachers at Imam Mohammed Ibn Saud University, in Riyadh, in Kingdom of Saudi Arabia attended a training program based on the successful intelligence theory, for six weeks to develop their successful intelligence and higher order thinking reading skills. A higher order thinking reading skills test and a successful intelligence assessment scale were applied to the study participants before and after the treatment. All the hypotheses of the study were supported. Prospective teachers achieved great progress in their successful intelligence and higher order thinking reading skills after the implementation of the training program as compared to their performance before the training program. Hence, the positive findings of the study assured the great effect of the training program that was based on the successful intelligence theory on developing Saudi English prospective teachers' successful intelligence and higher order thinking reading skills