There are no special dietary taboos on birthdays. You can choose food according to your personal tastes and preferences. People who belong to cattle can eat beef on their birthdays, because beef is a kind of high-quality meat with high protein and low fat, which can provide the body with the nutrition and energy it needs and is good for health. However, it should be noted that the cooking method and consumption of beef need to be selected and controlled according to personal taste and health status. In addition, other dietary taboos are determined according to personal beliefs and habits, and there is no uniform standard. In short, you can choose food according to your personal preference on your birthday, and people who belong to cattle can also eat beef, but you need to pay attention to the consumption and cooking methods.