1. Contact the hospital where the child sees a doctor in time, explain the situation and learn how to apply for a health certificate.
2. According to the requirements of the hospital, prepare relevant materials and supporting documents, generally including the child's medical record, diagnosis certificate, rehabilitation certificate, etc.
3. Fill in relevant application forms and pay relevant fees.
4. After submitting the application, wait patiently for the approval result. If the child's physical condition meets the standard, he will generally get a health certificate smoothly.
If you encounter any problems in the application process, you can ask the hospital or health department for help or consultation, and they will provide you with detailed and professional guidance.