Provide full-process operation support for small and medium-sized fitness clubs, including membership management system construction and churn warning model deployment. Trigger hierarchical follow-up mechanisms by tracking user store visit frequency and course consumption data. Offer solutions such as coach hierarchical training and course system design (e.g., interest-based group classes, parent-child fitness classes), and build a private domain community operation framework. Design stickiness enhancement programs such as check-in activities and cross-border co-branding to help fitness clubs improve repurchase and referral rates.