Infant hands full of erythema, may be due to eczema and other skin diseases, can be localized application of topical medications; may also be caused by blood system disorders, need to be in accordance with the cause of the cause of treatment, such as transfusion of platelets, plasma and so on. 1. Skin diseases: eczema can appear on the hands of local erythema, there can be a rash, bulging and skin manifestations, generally recommended that the baby light diet, pay attention to local skin cleaning, if necessary, can follow the doctor’s instructions to use some topical cream, such as skin cream to relieve. 2. Blood system diseases: such as low platelets, coagulation disorders, can be manifested as ecchymosis and petechiae on the skin, need to improve the blood routine and other tests to clarify the cause of the disease, it is recommended that under the guidance of the doctor to choose the appropriate treatment plan, such as platelet therapy, plasma transfusion to supplement the coagulation factors and other treatments. When the erythema on the hands of infants does not relieve for a long time, or when new symptoms appear, consult a doctor immediately to clarify the cause of the disease and treat the symptoms and causes. All of the above medications should be used under the guidance of a doctor, avoid self-medication.