Recently, the Xiaotiancai smartwatch has found itself embroiled in controversy owing to its use of unscientific standards in its health-monitoring features. A screenshot posted by a netizen revealed that the watch classified a girl standing 167cm tall and weighing 50.5kg as "overweight," accompanied by a note indicating that her weight "surpasses 99% of peers in her age group." In reaction to this, Xiaotiancai issued an official apology and swiftly conducted an urgent online update on the evening of August 25, eliminating all evaluative and judgmental content. Presently, the product page solely displays three objective data points that users manually input: height, weight, and the resulting BMI calculation.