This study investigates the impact of perceived parenting styles on cross-cultural adaptation among Chinese underage students (aged 14-17) attending international schools in Thailand through a questionnaire survey. The results indicate that: A. Positive parenting styles characterized by emotional warmth positively influence cross-cultural adaptation among underage Chinese students in Thailand. B. Negative parenting styles, specifically parental rejection, negatively affect cross-cultural adaptation among underage Chinese students in Thailand. C. Negative parenting styles marked by overprotection negatively impact cross-cultural adaptation among underage Chinese students in Thailand.