Illegal. This fishing behavior of loach belongs to productive fishing, which is not only illegal, but also illegal. "Decision on Promoting and Safeguarding Fishing Prohibition in the Yangtze River Basin", article 4 of which clarifies recreational fishing, that is, fishing is prohibited in aquatic biological protection areas and first-class protection areas of drinking water sources, and recreational fishing can be carried out in other prohibited fishing areas, but it should comply with the relevant provisions of the state and this province. It also stipulates four prohibited behaviors, and it is not allowed to fish more than one rod and fish more than one line. Do not use video AIDS or fish detection equipment for fishing; Do not use boats, rafts and other floating objects for fishing; Do not use bait, nest materials and additives containing toxic and harmful substances, and live aquatic organisms such as fish and shrimp for fishing. In violation of the provisions, the competent agricultural and rural departments of the people's governments at or above the county level shall order them to stop the illegal acts and confiscate fishing gear; If there are illegal gains, the illegal gains shall be confiscated. Where laws and regulations provide otherwise, such provisions shall prevail.