Causes of fast heart rate in the morning include: 1, too violent waking up action, resulting in rapid blood circulation, thus appearing faster heart rate; 2, the phenomenon of faster heart rate every morning may be related to sympathetic excitation, but should exclude myocarditis, hyperthyroidism and other diseases; 3, middle-aged and elderly people appearing faster heart rate in the morning may be related to hypertension, hyperglycemia, hypoglycemia, etc., further examination is recommended to exclude the above diseases; 4, other: including lack of sleep at night, staying up late, prolonged sedentary, poor physical quality, etc.