The principle of the whole treatment for diabetic ketoacidosis patients is rehydration, and large amount of rehydration is very crucial, usually 1000-2000ml in the first hour, this rate is for most people, and the rehydration rate needs to be slowed down for people with heart failure. In the first day, that is, the first 24 hours, the entire amount of rehydration can reach 5000-8000m, because a large amount of rehydration can improve the entire microcirculatory state of the patient, the subsequent use of insulin treatment to achieve the corresponding effect, so as to play the purpose of reducing ketone bodies and blood sugar, so rehydration is crucial for patients with diabetic ketoacidosis, the control of the amount and speed of rehydration is also Therefore, rehydration is crucial for patients with diabetic ketoacidosis, and the control of rehydration amount and rehydration rate is also very important.