Tingling sensation in the left chest from time to time is mainly considered to be related to lung disease, heart disease, breast disease, intercostal neuralgia and other factors. 1. Lung diseases: such as tuberculosis, pneumonia and other diseases, may cause the patient to develop symptoms such as tingling pain in the left chest, dyspnea and coughing. 2. Heart disease: such as coronary heart disease, myocardial infarction and other diseases, can also cause left chest pain, shortness of breath, chest tightness and other symptoms. 3. Breast diseases: such as breast hyperplasia in the left chest, which can lead to breast lumps, tingling in the left chest and other symptoms. 4. Intercostal neuralgia: it can lead to symptoms of tingling in the left chest, which can be further aggravated when taking a deep breath or coughing. Tingling sensation in the left chest from time to time may also be related to other factors such as herpes zoster, external injury, etc. It is recommended to consult a doctor in time to confirm the diagnosis and follow the doctor’s instructions for treatment.