If it is a transient elevation of blood glucose or pre-diabetes caused by fatty liver, it can be recovered through diet and exercise control, the specific time varies greatly among individuals, and some people can not recover; after diagnosis of diabetes mellitus, it is generally difficult to recover, and it is necessary to adhere to the long-term glycemic control treatment, and some people can also be cured through metabolic surgery and other methods. If it is due to liver-derived causes of transient elevated blood glucose or pre-diabetes, with the gradual improvement of fatty liver, blood glucose is likely to return to normal, the time of recovery will vary, and some people can not be recovered, progressing to permanent diabetes. After the diagnosis of diabetes, it is often difficult to recover, generally need to adhere to long-term sugar control treatment, if necessary, can also be cured by metabolic surgery and other methods. Patients are advised to seek treatment in a regular hospital.