The number of chemotherapy for medium-term pancreatic cancer is generally 6-8 times, which should be analyzed according to the patient’s condition. The following drugs need to be applied under the guidance of doctor. Cardia cancer is a malignant tumor occurring in the cardia and belongs to a type of gastric cancer. Its mid-stage chemotherapy is mostly adjuvant chemotherapy, i.e., it is carried out after operation to eliminate residual lesions and reduce recurrence. It is often carried out about 4 weeks after surgery, after the patient’s physical condition has basically returned to normal. The common protocol of postoperative adjuvant chemotherapy for cardia cancer is fluorouracil combined with platinum, such as cisplatin, carboplatin, etc., which usually needs to be carried out 6~8 times. During the period, patients’ nutrition and physical condition should be closely monitored, and if they cannot tolerate it, it can be adjusted to single-agent chemotherapy.