This study aims to improve poetry writing skills using acrostic techniques among students of class XI Melati 1 at SMA Negeri 4 Palembang. The research is descriptive qualitative in nature. It falls under the category of Class Action Research. The study was conducted in two cycles, with each cycle being implemented three times. The research procedure includes planning, implementing actions, observing, and reflecting. The subjects of this study were 34 students of class XI Melati 1 at SMA Negeri 4 Palembang. After conducting the research in the first cycle, 21 out of 34 students scored 72.35, qualifying as "low." Subsequently, the second cycle of the research was carried out, where 33 students obtained an average score of 80, qualifying as "high." Based on the results of the research in the first and second cycles, it can be concluded that the application of acrostic techniques in teaching poetry writing to students of class XI Melati 1 at SMA Negeri 4 Palembang is highly appropriate as it significantly improves students' learning outcomes in poetry writing.