Cytarabine Sodium Capsules taken before or after meals do not have a significant effect on the efficacy of the drug, but if the patient’s gastrointestinal function is poor, it is better to take it after meals. In the instruction manual of cytarabine sodium capsule, there is no clear indication that this product should be taken before or after meals. Therefore, there is no significant difference in the efficacy of this product between taking it before and after meals. However, when taking the product, some patients may occasionally experience gastrointestinal reactions such as nausea, abdominal pain, diarrhea and other mild and short-lasting reactions. If the patient’s gastrointestinal function is poor, it is better to take it after meals to reduce the stimulation of the stomach and intestines. Cytarabine sodium capsule is mainly used for the treatment of neurological sequelae caused by cerebrovascular accident and craniocerebral injury. It is recommended that patients follow the doctor’s instructions to use cytarabine sodium capsule and avoid blindly using the drug on their own.