1, the restaurant site to buy: some restaurants may provide buffet annual card sales service, you can consult the clerk in the restaurant or check the posters in the store to understand the purchase details.

2, online platform to buy: in the public Dianping, Meituan and other platforms can search for "Tianjin buffet annual card" or "Tianjin buffet group purchase coupon", choose the right restaurant and price to buy.

3, travel agency to buy: some travel agencies may sell a variety of dining coupons and annual cards, you can consult the local travel agency to understand whether there is a suitable buffet annual card.