Adolescents are undergoing rapid changes in physiology, psychology, and social roles, leading to the development of emotional regulation. Emotional regulation is a key aspect in promoting adolescents' mental health, social adaptability, and future life development. It possesses unique characteristics, faces significant challenges, and requires targeted coping strategies. This article explores the two dimensions of characteristics and challenges, analyzes the current situation, and proposes systematic coping strategies, aiming to provide reference suggestions for building a more comprehensive growth space for adolescents. The research results show that the core characteristics of adolescent emotional regulation exhibits significant stage characteristics. Physiologically, the imbalance between immature prefrontal cortex and active limbic system makes decision-making susceptible to immediate emotional control, leading to an increase in impulsive behavior. Simultaneously, fluctuations in hormone secretion lead to intense and frequent shifts in emotional experiences, manifesting as a "bipolar" state, such as a sudden shift from extreme excitement to self-doubt. Psychologically, the awakening of self-awareness prompts emotional expression to shift from overt to covert, often releasing emotions through indirect means such as social media, forming a "performative" characteristic. The core challenges of adolescent emotional regulation are as the following 3 aspects. The first is Internal conflict. The gap between the ideal self and the real self triggers persistent anxiety, and academic pressure and peer relationships exacerbate emotional fluctuations. The second is expression barriers. The concealment of emotions leads to communication difficulties, frequent family misunderstandings, and is prone to triggering parent-child conflicts. The third is insufficient regulation ability. The lack of effective coping strategies leads to easy falling into cycles of depression or irritability, affecting social adaptation. There are 3 scientific countermeasures for adolescent emotional regulation. The fiest is family-school collaboration. Parents need to adopt listening-based communication, avoid labeling judgments, and build trust through joint activities. Meanwhile, schools introduce emotional management courses, such as mindfulness meditation and emotional diaries, to enhance self-awareness. The second is individual skill development. Adolescents should be taught immediate regulation skills such as deep breathing and exercise to alleviate impulsive reactions, and artistic expression (such as painting, writing) should be encouraged as a channel for emotional catharsis. The final is strengthening social support. Build peer support networks to reduce loneliness, and introduce professional psychological counseling when necessary. Conclusion: Families, schools, and society need to work together to create a more inclusive and supportive emotional growth space for adolescents by building a non-judgmental listening environment, strengthening regulation ability cultivation, integrating resources, and promoting inclusive services, helping adolescents become emotionally rich and personality-healthy individuals.