Bletilla striata is a Chinese herbal medicine. It is harmful to eat Bletilla striata regularly. It is a three-point poison. Eating too much will cause stomach discomfort. Its main uses in prescriptions are astringency, hemostasis, granulation and swelling reduction. Bletilla striata is a good medicine for the treatment of visceral hemorrhage in traditional Chinese medicine, especially for hemoptysis and vomiting blood caused by lung and stomach lesions. Grinding Bletilla striata 5 ~10g, mixing with glutinous rice soup can treat complications such as hematemesis and hematochezia caused by gastric and duodenal ulcer, and taking Bletilla striata and Notoginseng in the ratio of 2: 1 as powder has better hemostatic effect.