Suggestion: The increase of alkaline phosphatase is mainly seen in: 1. Hepatobiliary diseases: obstructive jaundice, primary liver cancer, secondary liver cancer, cholestatic hepatitis, etc. 2. Because this enzyme is active in bone tissue, the serum alkaline phosphatase of pregnant women will increase, such as osteomalacia, rickets, osteocarcinoma, osteoporosis and so on. 3. Leukemia, hyperthyroidism and so on.