What is alkaline phosphatase? Alkaline phosphatase is an enzyme protein that is found in the liver, bones, intestines and other parts of the human body. Its main function is to hydrolyze organic phosphates into phosphoric acid and non-phosphoric acid components, which is very critical for physiological processes such as human metabolism. Reasons for high alkaline phosphatase 1. Poor liver function: The liver is one of the most important metabolic organs in the human body. When the liver is injured or inflammation occurs, alkaline phosphatase in the liver cells will be secreted into the blood. , leading to increased levels of alkaline phosphatase in the blood. 2. Bone problems: When there are lesions in the bones of the human body,