Computer simulation technology is an effective tool to improve the quality of large diameter InSb single crystals grown by Czochralski method and reduce crystal preparation costs.There are many types of simulation software currently available on the market,but there are very few simulation cases used for InSb crystal growth.By analyzing the existing cases,the characteristics of each type of software can be obtained,and their advantages and disadvantages as well as applicable growth methods can be compared.Based on the growth characteristics of InSb crystals,the most suitable simulation software for the InSb Czochralski growth can be selected.