Red dots after a child’s fever, may be due to early childhood emergency rash, hand, foot and mouth disease, chickenpox and other diseases. 1. Childhood emergency rash: the pathogenesis of childhood emergency rash is not yet clear, mainly due to human herpesvirus type 6 infection. Children usually start with a sudden high fever, which lasts for some time and then suddenly subsides, followed by a rash, which is a small, pink, dense maculopapular rash. 2. Hand, foot and mouth disease: Hand, foot and mouth disease is mainly caused by enterovirus infection and low immunity. Affected children will have fever, followed by blisters, red maculopapular rash, manifested as red dots after the child’s fever. 3. Chickenpox: It is caused by varicella zoster virus infection. The child will have a fever, followed by the appearance of pink spots, papules, herpes and other symptoms. Children with red spots after fever, there may be other reasons, it is recommended to go to the hospital in time, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.