The occurrence of stinging itch on the body at the first sign of heat should be considered as cholinergic urticaria, especially if the diagnosis of cholinergic urticaria is more certain when the body can be palpated with a wind-bloc-like elevation. Cholinergic urticaria is a limited elevation of the skin mucosa due to irritation by allergic factors. When cholinergic urticaria occurs, in addition to taking care not to scratch or massage the body locally, it is also important to get rid of the relevant allergens as soon as possible, such as factors that can cause the body to heat up, such as exercise, hot drinks, or emotional stress or anxiety, which may aggravate the occurrence of cholinergic urticaria. Itchy may also be related to poor hygiene habits, some people do not pay enough attention to body cleaning, too much greasy dirt residue on the body, but also easy to cause itchy feeling on the body, poor cleaning and hygiene habits, must strengthen the body’s skin hygiene management.