It is possible that the high fetoprotein may be caused by pregnancy, hepatitis and liver cancer, which can be treated according to the cause. 1. Pregnancy: the fetoprotein may be slightly high in the third month of pregnancy, reaching a peak in 7-8 months, and is relatively stable. The high fetoprotein in pregnant women is generally a normal physiological phenomenon and does not require special treatment; 2. Hepatitis: mildly high fetoprotein may be caused by acute and chronic hepatitis, and the specific cause needs to be further clarified according to the five tests of hepatitis B and hepatitis B virus DNA quantification. Generally, anti-inflammatory and antioxidant liver-protective drugs, such as glycopyrrolate preparations and dicyclomine, should be applied. Patients with obvious manifestations of cirrhosis also need to apply drugs such as Anluo Fibrillation Pill for anti-fibrosis treatment; 3. liver cancer: methemoglobin is a specific marker for diagnosing hepatocellular carcinoma. The common treatments for liver cancer include surgical resection, liver transplantation, vascular intervention, radiofrequency ablation, etc. For those who have hepatitis, cirrhosis and family members with liver cancer, if their AFP is slightly high for a long time, they should have regular checkups according to their condition and treat the primary disease to prevent the occurrence of liver cancer. In addition, it is necessary to have a reasonable diet, exercise properly and maintain a good mood in daily life to prevent the occurrence of diseases.