The reasons for elevated acid phosphatase are as follows: 1, prostate disease: prostate cancer, prostatitis, prostate hyperplasia, etc. Acid phosphatase test is mostly used as a differential diagnosis of prostate cancer, especially when bone metastasis occurs in prostate cancer, the index can be significantly increased, and it is necessary to assist other tests for comprehensive analysis; 2, bone diseases: bone tumor, tumor bone metastasis, metabolic bone disease, etc.; 3, liver lesions: liver cirrhosis, liver cancer, hepatitis, etc.; 4, hematological system diseases: hemolytic anemia, leukemia, thrombocytopenia 4, blood system diseases: hemolytic anemia, leukemia, thrombocytopenia, hyperparathyroidism, etc. Acid phosphatase is widely present in tissues throughout the body, with 1/3-1/2 of acid phosphatase in men coming from the prostate, and in women mainly from the liver, red blood cells, platelets, etc.