Early morning breathlessness and low heart rate may be caused by heart disease, cardiac neurosis and other reasons, which can be treated by general treatment or oral medication under the guidance and advice of a doctor. 1. Cardiac neurosis: cardiac neurosis is caused by mental and psychological factors, which can lead to symptoms such as chest tightness, breathlessness, and a feeling of pressure in the chest, so keep your mood relaxed in your life. If necessary, you can follow the doctor’s instructions to take oral glutamine tablets, haloperidol melittin tablets and other medications. 2. Heart disease: coronary heart disease, angina pectoris, heart failure, etc., mainly due to myocardial ischemia and hypoxia and symptoms such as breathlessness and arrhythmia. In life to avoid strenuous activities, more rest, can follow the doctor’s instructions to take isosorbide nitrate tablets, aspirin, nitroglycerin and other drugs for treatment. It is recommended that patients should go to the hospital in time, under the guidance of the doctor to clarify the cause of the disease, to take effective treatment.