Having a hard time with your chest when taking off in an airplane is normal and not something to worry too much about. When taking an airplane, especially when taking off or landing, it is easy to cause suffocation, panic, palpitations and so on, and it is also easy to appear this situation when the air is bumpy. The main reason is because in the airplane is not stable or weightlessness, people will suddenly fear, anxiety, panic, easy to trigger the sympathetic nerve excitation, which leads to increased heart rate. If the patient has a history of coronary heart disease, angina pectoris, etc. will be more likely to trigger. Poor physical condition may induce premature beats and other adverse reactions. Overall this is a normal stress reaction in an emergency. If you have a strong reaction to flying, you may want to consider taking some sedative medication before flying. Consult your doctor and use the medication as prescribed.