1. Features of risk diversification: The pharmaceutical etf contains stocks of several pharmaceutical companies, which can diversify the risk of investing in a single stock. By purchasing pharmaceutical etf, investors can invest in several pharmaceutical companies at the same time, reducing investment risks.

2. Features of strong liquidity and convenient trading: Pharmaceutical ETFs can be listed and traded on stock exchanges, and investors can buy and sell at any time, with high liquidity. At the same time, the trading of pharmaceutical ETFs is also very convenient, and investors can purchase and redeem through securities companies or fund companies.