Shock mostly refers to blood pressure below normal, generally systolic blood pressure below 90mmHg, diastolic blood pressure below 60mmHg, called hypotension or shock, its specific value needs to be based on the time of its shock. However, it should be noted that, for example, hypertensive patients, whose original blood pressure is 160/80mmHg, the blood pressure drops to 110/50mmHg or 110/60mmHg when in shock, blood pressure 110mmHg is normal, but because their basal blood pressure is high, the decline is more than 20%, so it is also called blood pressure drop or shock state.