To realize the integration of Toutiao and Douyin payment, the following methods can be considered:

1. User account intercommunication: Let the user accounts of Toutiao and Douyin be intercommunication, that is, the user's payment accounts on Toutiao and Douyin can be linked to achieve unified management of payment accounts.

2. Fund channel intercommunication: The payment fund channels of Toutiao and Douyin are interconnected, so that users can use the same payment funds for consumption on Toutiao and Douyin.

3. Payment function integration: Integrate the payment functions of Toutiao and Douyin, and users can directly use the payment function on Toutiao and Douyin to shop, reward, etc.

4. Marketing activity intercommunication: Toutiao and Douyin can jointly launch some marketing activities, such as coupons, red envelopes, etc., so that users can share discounts on both platforms.

5. Data sharing: Toutiao and Douyin can share users’ consumption data and provide more accurate recommendations and marketing services through data analysis and mining.

It should be noted that the integration of Toutiao and Douyin payment needs to take into account user privacy and data security issues to ensure that users’ payment information and personal information are protected.