Premature beats are afraid of more strenuous exercise such as fast running, rock climbing, and jumping rope. Premature beats, also known as preterm contractions, refer to the early beating of the heart. It can be divided into physiological and pathological premature beats. Fast running, rock climbing, jumping rope and other strenuous exercise can make the blood circulation faster, thus aggravating premature beats, so it is not recommended. 1. Physiological premature beats: generally caused by overwork, emotional fluctuations, nervousness, alcohol consumption, most of them can be self-cured, no special treatment, you can carry out appropriate intensity of sports. 2. Pathological premature beats: hypertensive heart disease, coronary heart disease, myocarditis, heart valve disease can cause premature beats, such patients should take drugs and exercise under the guidance of a doctor. If patients find that premature beats do not get better on their own or the symptoms worsen, they should consult the cardiology department immediately to avoid delaying their condition.