A positive cd68 histiocyte indicates that the patient may have cutaneous true histiocytic lymphoma, acute myeloid leukemia, granulocytic sarcoma, and mastocytosis, but it cannot be used alone as a basis for diagnosis, and needs to be used in combination with other tests to make a comprehensive judgment, such as CT, laboratory tests, and so on. cd68 is a cytoplasmic glycoprotein that is found in monocytes, macrophages, granulocytes, basophils, large lymphocytes, osteoclasts, mast cells, synoviocytes, Langerhans’ giant cells, dendritic reticulocyte sarcoma, and melanoma. A positive cd68 test result indicates that the patient may have some type of cancer, such as cutaneous true histiocytic lymphoma, acute myeloid leukemia, granulocytic sarcoma, and mastocytosis. However, it is difficult to know the cancer status only by this indicator, and the patient needs to go to the hospital in time for other tests, such as CT, laboratory tests, etc., to confirm the diagnosis of the disease. During the treatment, patients should strictly follow the doctor’s arrangement, maintain good living and dietary habits, eat less spicy and greasy food, and have more rest, go to bed early and get up early to help the organism recover.