The precautions for the operation of the concrete pump pipeline are very important. The precautions are based on the actual situation and the application of professional knowledge, the handling of each detail is critical. 1) The concrete pump pipeline should be placed on a solid and flat ground, and the legs should be lowered to ensure the stability of the fuselage; 2) Check before operation, confirm that the electrical equipment and instruments are normal, the switch buttons and handles of all parts are in the correct position, and the fastening