Baby palms with red spots, that is, red rash, mostly seen in the following cases: first, contact dermatitis, a kind of allergic dermatitis, little baby hands like to touch everywhere, contact with irritating things or an allergy, causing red rash, maculopapular rash on the palms of hands, mostly accompanied by itching; second, rash disease, winter and spring seasons are common, little baby immunity is low, easy to be infected by viruses, viral infections are mostly accompanied by The rash, such as hand, foot and mouth disease, measles, rubella, etc., mostly accompanied by other discomfort, such as fever, salivation, flu-like symptoms; third, local skin infections, first red papules, rash, even blistering rash, at first slightly itchy, gradually have pain, such as fungal infection caused by ringworm acute phase; fourth, some rheumatic immune diseases in the hands and feet, such as allergic purpura, dermatomyositis, etc.