The research aims to know the effect of using the 4H strategy on the achievement of first intermediate  grade in biology subject. This was verified by the following hypothesis: (There are no statistically significant differences at the significance level of 0.05 between the average scores of the students of the experimental group, which is taught according to the 4H strategy, and the average scores of the students of the control group, which is taught according to the usual method in the achievement test) . The experimental design was used with partial control, and the research sample consisted of 50 students first grade Khaled Ibn Al-Waleed Intermediate School for boys affiliated to Baghdad Governorate / Al-Rusafa 1. The two groups were rewarded in the previous achievement, the previous information, and IQ. Test, they were not statistically significant. An achievement test consisting of (20) items was prepared of a multiple-choice type with four alternatives, and its validity was confirmed, and the percentage of agreement was 82%, according to stability and the results were in favor of the experimental group, which was studied according to The strategy of 4H in the achievement test, and the research came out with some recommendations and suggestions.