If you’re not sweating but you don’t have a fever, you may have a problem with high ambient temperature, a full meal, nervousness, skin mucous membrane allergies and other factors. 1. High ambient temperature: Staying in a high-temperature environment for a long time may also lead to general heat but no fever and no sweating, especially for people with underdeveloped sweat glands. Usually pay attention, try to avoid being in such environment for a long time, it is recommended to go to a well-ventilated and cool environment; 2. The symptoms of body heat but no fever and no sweating, pay attention to adjust the mental state; 4, skin mucous membrane allergy: when the skin mucous membrane contact pollen, dust mites and other substances that can easily induce allergies, will induce the body to produce allergic reactions, resulting in a burning sensation of the skin, but also the symptoms of body heat but no fever and no sweating. It is recommended to avoid contact with allergens and to take anti-allergy medication according to the doctor.