1, first understand the relevant policies and standards of hairy crab breeding industry in the region, including farm site selection, breeding equipment, environmental protection requirements, etc.

2. According to the requirements of local policies and standards, prepare materials on farm site selection, breeding equipment and staffing, and submit applications to relevant local departments (such as agriculture, aquatic products, environmental protection, etc.).

3. After submitting the application, it may be necessary to conduct on-site audit and acceptance to verify whether the breeding conditions meet the standards and requirements.

4. After passing the examination and acceptance, you can obtain the relevant breeding license or filing certificate, and officially start the hairy crab breeding business activities.