In modern medical and physiological research, theAcetylcarnitine Marker is widely used as a crucial indicator of cellular metabolism and energy production. Acetylcarnitine, as a facilitator of fatty acid metabolism, plays an important role in transporting fatty acids into mitochondria. Changes in its levels can typically reflect the body's efficiency in energy consumption and production. Moreover, the Acetylcarnitine Marker holds significant value in studies related to neuroprotection and brain health, as variations might be associated with the progression of neurodegenerative diseases. Therefore, monitoring acetylcarnitine levels not only helps in understanding the pathological mechanisms of certain metabolic disorders but also serves as an important tool for improving human health.