Whether the amount of smoking is high or low, it is only bad without any benefit, especially for minors, as it also affects growth and development. Tobacco is the largest preventable cause of death in the world today, half of the tobacco users, life expectancy will be affected by tobacco, and our country is also the largest number of smokers. Smoking can lead to chronic respiratory diseases, cardiovascular and cerebrovascular diseases, digestive system diseases, malignant tumors, etc., seriously endangering human life and health. The total number of smokers in the world now exceeds 1 billion, and tobacco use leads to the loss of more than 5 million lives globally each year.