Fatty liver is a common disease of the liver that is 20 to 40% of people living with the disease in different countries. Among the common treatments for the disease include vitamin E, metformin, pioglitazone, herbal products contain silymarin, etc. can be mentioned.However, there is still no cure for this disease has not been introduced in clinical practice.in other hand, today artichoke extract for the treatment of hyperlipidemia and liver disorders is used;But The experimental study on the performance of the plant in fatty liver disease hasn't taken place. According to the aforementioned study to determine the therapeutic effects of co-administration of metformin, vitamin E and herbal products contain cynara scolymus designed in patients with fatty liver.The study included 90 patients with non-alcoholic fatty liver that occurs will be randomly selected.Patients were divided into three groups of 30 people.Group I: metformin in combination with vitamin E, Group II: metformin plus herbal preparation containing cynara scolymus, Group III: Vitamin E along with herbal products containing cynara scolymus. For follow-up treatment of biochemical tests (including liver enzymes, fasting blood glucose, plasma cholesterol, triglyceride,... ) and ultrasound will be used. 1000 mg of metformin daily dose of vitamin E 400 IU and herbal products containing cynara scolymus 960 mg will be given.