It is found that the quiet smoking of 10-year-old brother is a very serious problem, and it is necessary to take timely measures to guide it correctly. Here are some suggestions: 1. Communicate with your younger brother: communicate with your younger brother and ask him why he smokes, whether he knows the harm of smoking and whether he has any troubles. Dialogue should be conducted in a rational and peaceful way. Don't blame or scold your brother, otherwise it will make him more rebellious and disobedient. 2. Understand the harm of smoking: let your brother know the harm of smoking, which will lead to health problems, affect his study and work, waste money and other problems, and help him realize the harm of smoking. 3. Provide scientific knowledge: Help my brother realize the harm of smoking through scientific knowledge. You can introduce him to the composition of tobacco, the harm and consequences of smoking, and the harm of smoking to people around you. 4. Provide other healthy ways: help my brother find other healthy ways to relieve troubles or kill time, exercise, read, draw, listen to music, etc. Let him find happiness and relaxation in a healthy way. In a word, it needs a rational, patient and scientific attitude to guide my brother to quit smoking correctly. We should make him aware of the dangers of smoking and provide scientific knowledge and other healthy ways to guide him away from smoking. At the same time, parents also need to pay attention to their words and deeds and become good role models and guides for their children.