Prickly heat, this disease is divided into many types, including white prickly heat, red prickly heat, purulent prickly heat, etc. The type with blisters belongs to white prickly heat, while other types generally do not have blisters. White prickly heat tends to occur in people with low immunity or those who are bedridden for a long time, especially in areas prone to sweating, where blisters can easily develop. At this time, it is crucial to prevent infection, treat it promptly, and maintain a good prognosis.