Please combine the key elements of big data marketing to analyze how Meituan's Tiantianshen coupons are accurately distributed.

1. First of all, Meituan collects and sorts out user-related data through its own business system, user behavior, user portraits and other channels, including user preferences, spending power, purchase behavior and so on. For subsequent data analysis and processing.

2. Based on its own big data analysis capabilities, Meituan conducts in-depth analysis and mining of collected user data to identify users' consumption habits, preferences and needs. , predict users' purchasing intention and spending power, and provide data support for subsequent recommendation and coupon issuance.

3. Finally, Meituan evaluates and gives feedback on the promotion effect through data monitoring and analysis, and constantly optimizes and adjusts the coupon design and distribution strategy to improve the accuracy and promotion effect of coupons.