The causes of shortness of breath and shortness of heartbeat after a little exercise are physiologic and pathologic, and the pathologic factors include angina pectoris, asthma, and so on, and the treatments include medications such as nitrate drugs and surgical treatments, and so on. 1. Physiological factors: obesity, long-term physical inactivity, staying up late and not getting enough sleep, long-term mental stress and other factors can lead to the symptoms of shortness of breath and shortness of heartbeat after a little exercise. Active participation in physical exercise, weight loss, and a good routine can effectively alleviate the symptoms. 2. Pathological factors: Angina pectoris is characterized by episodic pain, which is exacerbated by physical activity or emotional stress. Treatment includes medication such as nitroglycerin, aspirin, etc., and percutaneous coronary intervention for severe conditions. Patients with asthma often experience recurrent episodes of shortness of breath, which worsens with intense exercise. Medications include albuterol and aminophylline. When patients experience discomfort, they should go to the hospital immediately and choose the therapeutic drugs under the guidance of the doctor.