Vitamin A is abundant in animal foods, and foods containing vitamin A mainly include cod liver oil, sheep liver, duck egg yolk, river crab, chicken and so on. 1. Cod liver oil: the content of vitamin A is 25526μg per 100g of cod liver oil. 2. Lamb’s liver: the content of vitamin A per 100g of lamb’s liver is 20972μg. 3. Duck egg yolk: the content of vitamin A in every 100g of duck egg yolk is 1980μg. 4. River crab: the content of vitamin A per 100g of river crab is 389μg. 5. Chicken: the content of vitamin A per 100g of chicken is 226μg. There are many other foods that contain vitamin A, but you need to pay attention to moderate intake. According to the recommendations of the Chinese Nutrition Society, the dietary reference intake of vitamin A for adult residents of China is 800 μg RAE / day, excessive intake may cause poisoning.