The research aimed at identifying the degree of problems of teaching and achieving skill-objectives from the viewpoint of biology subject teachers in the Secondary stage, and identifying the effect of (gender, qualification, years of experience, training courses) variables on problems of teaching and achieving skill objectives in biology subject. The researcher followed the descriptive analytical method. A questionnaire contained (34) statements was used to achieve the aim of the research. the research was applied on a random sample of biology teachers in the Secondary stage consisted of (126) teachers. The results of the research showed that the degree of problems of teaching and achieving skill-objectives from the viewpoint of biology teachers was high, the mean was (3.27) . In addition, the strongest degree of the problems was that the related to the educational environment and teaching techniques, while the degree of the problems related to the student, teacher, curricula was medium. the researcher also found that there was no significant statistical differences between the means of the degrees of the biology teacher's answers about teaching and achieving skillobjectives in biology subject according to (gender, qualification, years of experience, training courses) variables. The researcher suggested the necessity of conducting training courses aim at supervising teachers and enhancing their skills and teaching experience, and the necessity of preparing and improving the abilities of the educational environment and providing the needed teaching techniques for the new curricula.