Shenzhen Liyuan Water Co., Ltd. was exposed to problems such as illegal operation and improper management, which led to problems in tap water quality. This shows that there may be some irregular behaviors in the operation and management of the company, which will affect the quality of tap water. Improper operation and management may include failure to monitor and treat water quality according to relevant standards and regulations, and failure to repair water pipe leakage in time. The existence of these problems may have a certain impact on the life and health of residents.