With the continuous progress of science and technology, the competition in various industries is becoming increasingly fierce. In order to survive and develop, enterprises must constantly formulate innovative development strategies. In order to change the image of a series of products that were not systematic in the past, Huanyu combined with Trojan horses to create a holistic and unified product PI image design, enhance enterprise recognition, and establish Huanyu's unique brand image characteristics among many brands in the low-voltage electrical appliance industry.