Abstract: By means of simulation and experiment, the influences of acoustic wave on the flow and heat transfer characteristics outside the tube are studied. In the simulation, the acoustic streaming velocities at different frequencies under the same input pressure level are studied, and the results show that the frequency has little influence on the average sound pressure level at the tube wall, but has great influence on tangential velocity around the tube wall. Based on the influence of acoustic wave on the convection field distribution, the effects of different sound pressure levels (SPLs) and frequencies on the heat transfer of a single steel tube are studied experimentally, and the results show that for an unchanged SPL, the lower the frequency, the better the heat transfer effect of steel tube; for an unchanged frequency, the higher the SPL the better the heat transfer effect of steel tube. By combining simulated and experimental results, it is shown that the heat effect around the tube is proportional to the acoustic streaming velocity; the scale of acoustic streaming is directly related to the frequency and motivation speed, i.e. the greater the motivation speed and the lower the frequency, the more intense the acoustic streaming near the steel tube. By using low frequency and high SPL sound waves, the heat transfer process of steel tube can be accelerated. This study provides a theoretical basis for sound wave affecting heat transfer characteristics of pipeline.