Breathlessness can be divided into physiological and pathological, and pathological causes include respiratory diseases, cardiovascular diseases and blood system diseases. 1. Physiological: if the pressure is too big or the emotional fluctuation is too big, then it will produce the feeling of breath holding a little bit, which belongs to the normal physiological phenomenon, and it can be restored to normal by lifting the triggers, and there is no need for special treatment. 2. Pathological: Breathing with a sense of suffocation may also be due to respiratory diseases, such as asthma, pulmonary embolism, bronchitis, and chronic obstructive pulmonary disease, etc.; may also suffer from cardiovascular disease, such as heart failure and coronary heart disease, etc.; and blood system disorders, such as anemia, etc., which will be a bit of suffocation of the breath. If you have a sense of breathlessness and cannot stop breathing on your own, it is suspected that there may be a pathological cause, and you need to go to the hospital in time to consult a doctor.