Symptoms and signs do not match, refers to the disease manifested symptoms and signs do not match, common diseases are: viral myocarditis, lumbar spinal stenosis, mesenteric ischemic disease, biliary ascariasis, aortic coarctation and so on. 1. Viral myocarditis: heart rate increase is disproportionate to body temperature (normal body temperature rises by one degree, heart rate increases by 12~18 times). 2. Lumbar spinal stenosis: complaint of many symptoms, usually manifested as sciatic nerve radiating pain (pain in lower back, buttocks, thighs, calves, feet, etc.), and few positive signs. 3. Mesenteric ischemic disease: severe symptoms (severe abdominal cramps, frequent vomiting, diarrhea, etc.) and mild signs (flat, soft abdomen, may have light pressure pain, bowel sounds present) do not match. 4. Biliary ascariasis: severe abdominal pain (sudden subxiphoid sharp pain) and mild abdominal signs (only mild deep pressure in the right upper abdomen or subxiphoid) do not match. 5. Aortic coarctation: aortic wall tear caused by various reasons, will show a sudden severe tearing or cutting pain in the anterior chest, but the signs are less. In addition to the above, there are many other diseases with symptoms and signs do not match the characteristics of the body when the body appears uncomfortable, must be timely medical care, do not delay, so as not to delay the condition.