This is a 74-year-old male patient with gastric cancer suffering from a post-gastrectomy syndrome including weight loss, poor appetite, and abdominal distention. After taking Chinese herbal medicine for 2 months, the symptoms mentioned above are improved. Furthermore, panting caused by chronic pulmonary fibrosis was improved by Chinese herbal medicine. In conclusion, this case report indicates the Chinese medicine can play an important role in such symptoms and disease, and let the patients improve life quality.