Profit nature. Daguan Street Happy Dining Hall was built by Daguan Street in cooperation with Zhiban Pension Service Agency, aiming at improving the dining environment of the elderly in Daguan Street, providing more humanized, refined and personalized pension services for the elderly. The canteen belongs to the nature of convenience and benefit for the people. The street specially convened community leaders to discuss the menu, pricing, food delivery and other contents of the canteen, so as to better serve the elderly in the area after the canteen opened.