Neuron-specific enolase, or neuron-specific enolase, has a normal value of 15.7 to 17 ng/ml, which varies slightly from laboratory to laboratory. Neuron-specific enolase is generally found in neural and neuroendocrine tissues and is less common in other tissues, and its normal value varies slightly from laboratory to laboratory, usually 15.7 to 17 ng/ml. A significant increase in neuron-specific enolase suggests the presence of neurological disease, small cell lung cancer, and endocrine disease. It is recommended that the patient should go to the hospital in time, and after perfecting chest and abdominal CT, liver and kidney functions and other related examinations, the patient should be diagnosed by the doctor and systematic treatment should be carried out under the doctor’s guidance.