The common symptoms of prickly heat are a small, corn-like rash with no redness around it, called white prickly heat, and a mild redness accompanied by itching, called red prickly heat. When scratched and infected, pus can be seen, which is called pus prickly heat, and if the content is bright and not easy to rub, it is called deep prickly heat. Prickly heat mostly occurs in summer or hot environment, due to excessive sweating is not easy to evaporate, sweat so that the epidermal stratum corneum impregnation, resulting in the blockage of sweat gland ducts caused by the mouth. The lesions are tiny superficial blisters, clear, no redness around them, easy to break, self-limiting, and generally have no self-conscious symptoms, called white prickly heat. If there is a small red corn-like rash, called red prickly heat, the lesions are batches of dense papules or mounds of herpes, surrounded by a mild red halo, mostly accompanied by itching. Scratching is easily aggravated by infection, and occasionally a purulent corn-grain rash called pustular prickly heat may appear, and the pustules are often sterile or non-pathogenic coccobacilli. If the lesions are dense skin-colored small blisters, the content of the bright material, not easy to break, when sweating increased, not sweating when shrinking, it is also known as deep prickly heat. It is recommended that patients with prickly heat go to a regular hospital in a timely manner and receive reasonable treatment under the guidance of a specialist.