Dietary contraindications for hepatitis B patients include alcohol, pickled foods, spicy foods, processed foods, and high sugar foods. 1. Alcohol: alcohol contains ethanol, which needs to be metabolized in the liver and will cause damage to the liver, thus leading to the aggravation of the condition of hepatitis B patients themselves. 2. Pickled foods: such as salted pork, duck, salted fish, etc., have nitrite and other ingredients, which may induce liver cancer, and hepatitis B patients need to avoid eating them. 3. Spicy food: including garlic, leeks, anise, chili, etc., which can irritate the gastrointestinal tract of hepatitis B patients and affect the recovery of the disease. 4. Processed food: processed canned food, containing a large number of chemical additives, hepatitis B patients long-term consumption may damage liver function. 5. High-sugar foods: such as rice, sweet pears, milk tea, etc., too much eating will make the calories accumulate in the liver into fat, affecting liver function. 6. If hepatitis B patients have cirrhosis, they should also avoid eating hard and hot foods to prevent gastrointestinal bleeding. Patients are advised to have regular checkups and adjust their diets as prescribed by their doctors.