111 Inc is an investment holding company primarily engaged in the operation of integrated online and offline healthcare platform. The Company mainly operates its business through two segments. The Business to Customer (B2C) segment is engaged in the sale of pharmaceutical and other health and wellness products through 1 Medicine Marketplace, mobile apps, other online channels and offline pharmacies to consumers and certain enterprise customers. The Business to Business (B2B) segment is engaged in the sale of pharmaceutical products to pharmacies on 1 Pharmacy. The Company also provides customers with online consultation and electronic prescription services through the Internet hospital 1 Clinic. The Company’s products include drugs, nutritional supplements, medical supplies and devices and other products. The Company mainly conducts its business in the domestic market.