Food is an important source of nutrition for the human body. Studies have shown that a higher consumption of green, yellow and orange vegetables and fruits containing beta carotene, many foods, including vegetables and fruits, can reduce the risk of lung cancer. The details are as follows: 1. Fruits include apples, oranges, mangoes, loquats, kiwis, etc.; 2. Vegetables include eggplant, tomatoes, cauliflower, etc.; 3. You can also eat eggs, lean meat, fish, etc. Avoid eating moldy food and pickled products, and also quit smoking and alcohol. In addition to food to prevent lung cancer, you should also avoid inhaling too much dust, haze and other irritants. At the same time, you should live a regular life, relax and keep a good state of mind.