Abstract: The research of high entropy alloy has been carried out since the nineties of 20th century.The design of high entropy alloy is different from that of conventional alloy.It is a new alloy composed of more than four elements which close to the atomic ratio.Due to the cooperative effect of various components of high entropy alloy, it has excellent properties such as strength, wear resistance, thermal stability, etc., which has become one of the focus in recent years.Aluminium containing high entropy material not only has the characteristics of high hardness and strength, but also has excellent corrosion resistance.Therefore, it can be used as a coating for substrate surface strengthening in working conditions.The preparation technologies of aluminum containing high entropy coatings were reviewed, including physical vapor deposition, mechanical alloying and high energy beam processing.Meanwhile, new high entropy coating preparation technologies, such as resistance seam welding, powder pre-sintering combined with electron beam preparation technology, were also introduced.Finally, for the service performance and application of the high entropy coating, the development prospect of the high entropy coating was prospected and commented.