1, brand background: McKamey's Burger is a local fast food brand originated from China, while McDonald's is an internationally recognized fast food chain brand, headquartered in the United States.

2, the menu choice: McKamey's Burger and McDonald's menu has a slight difference. McKamey's Burger focuses on serving classic Chinese fast food such as burgers, fries and chicken. McDonald's, on the other hand, offers a diverse menu globally, including classic American burgers, fries, chicken nuggets, salads, breakfast sets, etc., with some adjustments for local tastes.