There is usually no need to stop taking probiotics for the New Crown vaccine. The main components of probiotics are beneficial intestinal bacteria, and by taking probiotics you can prevent and treat intestinal dysbiosis, but they generally do not affect the effectiveness of the new crown vaccine. In addition taking probiotics does not normally lead to significant side effects and will not add to the adverse effects of the new crown vaccine. Therefore, it is usually not necessary to discontinue probiotics when administering the new crown vaccine. In addition, if the patient is suffering from antibiotic-associated enteritis, dysbiosis, accompanied by severe diarrhea and nausea and other gastrointestinal adverse reactions, it is recommended that the patient should not receive the new crown vaccine for the time being, and need to wait until his condition has stabilized before receiving the vaccine.