The current study aimed to explore future anxiety and its relationship to subjective vitality among secondary school students in the southern Gaza Strip governorates during the war on Gaza. The study sample consisted of (176) male and female secondary school students in the southern Gaza Strip, who were selected using Available sample.The study relied on the descriptive approach, and to achieve the study objectives, the researcher used the Future Anxiety Scale prepared by (Al-Mashikhi, 2009) and the subjective vitality Scale (Abu Mazid, 2023). The results showed the Medium level of future anxiety and subjective vitality among the individuals of the study sample. The results also showed a negative correlation between future anxiety and subjective vitality. Furthermore, there were no significant differences in the levels of future anxiety and subjective vitality among high school students attributable to gender. Keywords: Future anxiety, subjective vitality, high school students, Gaza war