1. Different positioning and fields: Hu Aishu is open to the public and focuses on the field of skin care. Yiqingtang faces the high-end market and focuses on professional line products, including skin care and health care. Xinqingtang and Shuiyinyuan focus on cosmeceuticals and perfumes respectively.

2, the product features are different: Sophora japonica is composed of herbs, paying attention to gentle skin care. Yiqingtang emphasizes the integration of high technology and plant essence, and pays attention to solving skin problems. Xinqingtang's cosmeceutical products focus on the combination of medicine and beauty to solve skin problems. Water wedding perfume is characterized by freshness and elegance.