The movie "The Painful Seventeen" mainly explored the various problems faced by teenagers during their growth, including: 1. Family problems: The protagonist's family in the movie was not harmonious. The relationship between the parents was tense. The father often drank alcohol, causing the child to feel lonely and lost. 2. Mental problems: The protagonist in the movie has serious mental health problems. He often feels anxiety, fear, and depression, and even has suicidal thoughts. 3. Social problems: The protagonist in the movie was not recognized and accepted by society. He was ridiculed and bullied by his classmates and could not integrate into class and school life. 4. Growth problems: The protagonist in the movie lacked the support and guidance of his parents during his growth. He faced all kinds of difficulties and challenges alone, causing his growth speed to be very slow. The movie reflected the many problems faced by teenagers as they grew up. These problems were very important for every teenager and were challenges that they had to face as they grew up.