Moderate consumption of liquor can promote blood circulation, relieve pain, supplement nutrition, promote digestion and protect cardiovascular system. Take high-quality maotai-flavor liquor as an example: high-quality maotai-flavor liquor contains a lot of microbial substances, which is beneficial to human health, optimizes phenolic substances in maotai-flavor liquor and prevents cardiovascular diseases. High-quality Maotai-flavor liquor contains SOD, metallothionein and other substances, which has the functions of scavenging excess free radicals, anti-tumor, anti-fatigue, anti-virus and anti-cardiovascular.