The baby’s entire body appears red, consider eczema, prickly heat or other infectious diseases, may also be fetal syphilis. The actual fact is that you can find a lot of people who are not able to get a good deal on a lot of things. It is an allergic skin disease caused by a variety of internal and external factors such as the environment and genes, and is not contagious, so parents need not worry too much. At present, the main focus is to relieve the symptoms and eliminate the triggering factors, and in serious cases can be treated with glucocorticoids or immunosuppressants under the guidance of a professional doctor. Daily baby dressing is recommended to be cotton loose clothing, change washing regularly, bath water temperature should not be too high, 32-38 ℃ can be, can use special baby emollients to repair the skin barrier; 2, prickly heat: good in the summer hot and humid weather, generally long in sweating or skin folds, such as scalp, neck, chest and back, thighs, etc., reduce the environmental temperature and humidity can relieve symptoms, such as high room temperature at noon when open air conditioning, but need to Avoid direct blowing of cold wind, clean the skin with warm water daily, also can be used for external rubbing of furnace glycolic lotion; 3, infectious diseases: such as infection with herpes virus, Candida albicans, etc., there will also be systemic red dots, often accompanied by fever, mental discomfort, red dots continue not to recede or even break, to go to the hospital to identify the cause, the application of antibiotic treatment for the source of infection; 4, fetal syphilis: most of the fetuses of fetal syphilis will be born prematurely, in After birth, a rash, or small red dots, will appear on the body. Most congenital syphilis is treated with penicillin or erythromycin, and if treated early, the efficacy as well as the prognosis is more objective. However, parents should not give their children medication on their own, but need to follow medical advice to avoid danger.