Asian monsoon has different dimensions to investigate and this monsoon directly and indirectly affects the weather conditions of different regions. Therefore, the dynamic mechanism of Asian summer monsoon in 2022 was investigated in connection with heavy rains in Iran. For this purpose, the Indian Monsoon Index (IMI) was used to check the monsoon intensity and the atmospheric data of the National Center for Environmental Prediction/ National Center for Atmospheric Sciences (NCEP/NCAR) for the monsoon peak period in July and August. The results showed that the monsoon index is highly abnormal compared to its long-term average and has two peaks in July and August. With the westward shift of the summer monsoon at the level of 1000 hPa, an anomalous core of negative Velocity Potential has formed over South Asia and has extended to the southern regions of Iran. With the formation of this energy sink and the transfer of mass into it, deep convections have continued to occur in the mentioned areas. At the level of 200 hPa, a huge energy source has been formed over South Asia to South Iran and the East of the Middle East, and its mass divergence and transfer to the wells formed on the North and South Pacific Ocean, the South Indian Ocean, North West Europe and the South Ocean Atlas has its flow.