Compared with the previous year, cash flow generated from operating activities increased by 86% in 2019, improving cash flow. The net cash ratio for operating activities can be calculated based on the Balling Technology's current liabilities and cash flow from operating activities. It is clear that the company's net cash ratio for operating activities reached its peak in 2018, and then declined for two consecutive years. In 2020 and 2020, it even fell to a negative value of minus-32.01%. Although 2021 has improved, technical changes in Bahrain are unstable and cash flow related indicators fluctuate greatly, which may affect the realization of corporate profitability and long-term development.