Amperometric sensors for hydrogen peroxide are an important analytical tool in various fields, including clinical diagnostics, environmental monitoring, and industrial process control. These sensors rely on the electrochemical oxidation or reduction of hydrogen peroxide at an electrode surface to generate a current signal that is proportional to the concentration of the analyte. The key advantages of amperometric sensors for hydrogen peroxide include their high sensitivity, selectivity, and rapid response times, making them well-suited for real-time monitoring applications. However, the development of these sensors also faces several challenges, such as the need to overcome potential interferences from other electroactive species, the requirement for stable and reproducible electrode surfaces, and the need to optimize the sensor design and operating conditions to achieve optimal performance. Ongoing research in this area is focused on addressing these challenges through the development of novel electrode materials, advanced signal processing techniques, and integrated sensor platforms. Overall, amperometric sensors for hydrogen peroxide remain a valuable and versatile analytical tool with significant potential for further advancements and applications.