Normal liver function test palm redness may be associated with capillary dilatation, diabetes, local inflammation and other reasons. 1. Capillary dilatation: when the capillary dilatation of the palm position, due to increased blood flow, blood accumulation, can make the patient appear palm skin redness, can also be accompanied by pain, itching and other symptoms. 2. Diabetes: when the patient suffers from diabetes, it can cause peripheral vascular lesions, making changes in blood circulation in the palm of the hand, resulting in redness of the palm of the hand color, but also the ten fingers of the abdomen and other marginal parts of the redness. 3. Local inflammation: when the patient is exposed to allergic factors, it can cause allergic dermatitis or contact dermatitis, resulting in redness in the palm of the hand, in addition to the palm of the hand, there can be other parts of the skin erythema, itching and so on. Based on the symptoms of redness in the palm of the hand alone can not accurately determine the cause, but also need to be combined with the characteristics of the medical history, other test results in order to make an accurate judgment, it is recommended to clarify the cause of the disease under the guidance of a doctor.