Whether it belongs to pyramid selling depends on whether the company that sells directly is a legal direct selling license approved by the Ministry of Commerce. Direct selling companies with dual-track system, such as Harbin Pharmaceutical Group and Blue Bottle, advertise calcium supplements every day and drink blue bottles to supplement zinc.

Harbin Pharmaceutical Co., Ltd. is a dual-track system, which relies more on the strength of the team, so that people with weak ability can also rely on the strength of the team to make money.