Chest numbness may be physiological factors, there may be pathological factors, such as coronary heart disease, myocarditis, intercostal neuritis and so on. 1. Physiological factors: if the mood is unstable for a long time, it is easy to be irritable or anxious, tense and angry or pessimistic and easy to cry, which may lead to numbness in the chest area, and it may also be caused by tiredness, work pressure, lack of sleep, bad mood and many other phenomena. 2. Pathological factors: (1) coronary heart disease: dyslipidemia, hypertension, diabetes, family genetics, long-term smoking and so on may cause coronary heart disease, patients are prone to chest numbness, chest pain, sweating and other adverse reactions. (2) Myocarditis: the human heart muscle is infected by various pathogenic bacteria causing inflammation, a series of inflammatory reactions such as numbness in the chest, fever, palpitations, dyspnea, wheezing, fatigue and so on. (3) Intercostal neuritis: Intercostal neuritis is mainly due to the damage of intercostal nerves, and the patients will have numbness in chest, muscle spasm, cough and other symptoms. Patients with numbness in the chest need to go to regular hospitals for detailed examination and systematic treatment under the guidance of doctors if necessary.