There is no strict requirement to take Clostridium Typhimurium tablets before or after meals, and it is generally recommended to take them before meals. The instructions for Clostridium Typhimurium tablets do not strictly limit the need to be taken before or after meals, indicating that the time of taking the drug has little effect on the action of the drug. It is generally believed that taking the drug before meals can reduce the influence of food on the absorption of the drug, while taking the drug after meals can reduce the stimulation of the gastrointestinal tract. Current trials have found fewer adverse reactions to Clostridium Typhimurium tablets, with no adverse reactions reported. Patients can take it before or after meals, in order to improve the absorption of the drug, it is recommended to take it before meals, if discomfort occurs after taking it, the drug should be stopped in time, and seek medical attention. It is recommended that patients use the drug under the guidance of a doctor, to avoid the delay of self-medication.