Feeling hot all over the body is considered to be a manifestation of heat in Chinese medicine, but whether it is real heat or imaginary heat needs to be judged in conjunction with other symptoms. In Chinese medicine, heat is a manifestation of the relative or absolute prevalence of yang qi in the body. If it is the absolute prevalence of Yang Qi, that is, the real heat, will be in the body fever at the same time appear dry mouth, dry mouth, thirst for cold drinks, skin sores, yellow urine, constipation, red tongue, yellow moss, pulse number and other symptoms. If Yang Qi is relatively strong, i.e., deficiency heat, fever may be accompanied by night sweating (abnormal sweating after going to sleep and stopping sweating after waking up), flushing of the face, heartburn and heat (heat in the heart of the hands and feet, and self-consciousness of the heart and chest), heartburn and insomnia, emaciation, a red tongue, little moss, and a fine pulse (a pulse that becomes narrower and finer, and at an accelerated rate). This disease is often accompanied by symptoms of qi depression, blood stasis, dampness depression, or qi deficiency, blood deficiency, yin deficiency, yang deficiency, and it is advisable to consult a doctor for specific diagnosis. If the patient is not feeling well, it is recommended to consult a doctor in time to identify the cause of the disease and standardize the treatment.