In general, for people who have received rabies vaccine, you can eat ice after the injection, but be careful to avoid overdose. At present, the rabies vaccine can effectively prevent rabies. After the injection of rabies vaccine, people can eat some cold food, such as ice cream, generally will not have a significant impact on the effectiveness of the rabies vaccine. However, it is not recommended to eat more, or it may cause abdominal pain, diarrhea and other symptoms. In addition, people who have received the rabies vaccine should also be careful not to eat spicy, seafood and other foods for about 2 days after the vaccine is injected, and also be careful not to drink alcohol, which may have an impact on the production of antibodies.