Bevosol drug named recombinant bovine basic fibroblast growth factor eye drops is indicated for corneal epithelial defects and punctate keratopathy of various causes, recurrent superficial punctate keratopathy, mild to moderate dry eye, herpetic keratitis, corneal abrasions, mild to moderate chemical burns, corneal surgery and post-operative poor healing, map-like or trophic mono-herpetic corneal ulcers, etc. Usage and dosage, eye drops, 1-2 drops each time, 4-6 times daily or as prescribed by the doctor, no adverse reactions have been found. Precautions: 1. This product is a protein-based drug and should be avoided in high temperature or frozen environments. 2. For patients with infectious or acute inflammatory corneas, simultaneous topical or systemic antibiotics and anti-inflammatory drugs are required to control infection and inflammation. 3. For certain corneal diseases, treatment should be directed at the cause, such as the combined application of vitamins and hormonal drugs.