We all know that spoiled food is bad for health and may even induce liver cancer. However, some middle-aged and elderly people still have the habit of eating spoiled food. Moldy food will contain a substance called aflatoxin, which is now clearly considered to have carcinogenic effects, and aflatoxin is also an auxiliary cause of liver cancer. Patients with liver cancer should be vigilant and should not consume foods that have become moldy. Cooked foods such as rice, peanuts, corn, processed cakes, rice, steamed buns, etc. are all susceptible to mold, and these foods should not be stored in a humid place, but in a cool, ventilated, clean and hygienic location, and not for too long. To determine whether the food is moldy can be judged from the color, texture and smell. Some people have a view that spoiled food can eat part of it. This statement is very inappropriate, “not decayed part” has been immersed in the process of microbial metabolism produced by a variety of harmful substances invisible to the naked eye, when the temperature reaches a certain level, mold and other microorganisms will proliferate and produce toxic substances that endanger human health, often eat food contaminated by mold can make the edible liver cancer The food contaminated by mold can cause liver cancer. Daily control of personal diet hygiene and health, in order to improve their own physical fitness and reduce the occurrence of disease. Be alert to the dangers of moldy food and stay away from liver cancer. As we can see, people must be cautious in treating spoiled food, and it is better to throw away all of them and not to eat them. This is a very important one of the causes of liver cancer. If the elderly in the family have such a habit, they must be clearly introduced to the elderly about the dangers of doing so and develop good eating habits.