Palm mound refers to the bottom part of the palm side of the little finger, the redness of the place may be caused by trauma, allergies, liver disease and other reasons. 1. Trauma: such as fall caused by the wrist palm trauma, abrasions or mosquito bites will cause redness in the palm of the moon mound, which is the most common cause. 2. Allergies and other skin diseases: contact with allergens, eczema or urticaria may also lead to generalized or localized redness such as at the lunate mound, often accompanied by itching and other symptoms. 3. Liver disease: the palm of the moon mound also belongs to the big and little finger root of the big and little fish margin range, if the specific manifestations of the big and little fish margin skin flakes, patches or dots of redness, in the pressurized can become pale white, pressure lifted and then become red, belongs to the liver palm. Liver palms can be seen in a few healthy groups, but they are also one of the important signs of chronic hepatitis and cirrhosis. If they are accompanied by spider moles, yellowish skin, fatigue and other discomforts, it is necessary to consult a doctor to identify whether there is liver disease. Redness at the lunate mound of the palm of the hand usually does not require special treatment, but if it is accompanied by other discomforts or has a family history of liver disease, it is recommended to consult a doctor in time to avoid delaying the condition.