What herbs can be used to drink water to prevent colds

Astragali and windproof each one white atractylodes two, instead of tea or powdered.

This formula is a combination of tonic and dispersal, through the tonic lung qi, to enhance the function of the guard, so that the surface of the solid and self-sweat healing, as if the barrier of the wind. This formula uses Fangfeng to travel all over the body, which is known as the elixir of wind; Huang Jie supplements Sanjiao and realizes Wei, which is the key to prevent wind in Xuanfu. This formula disperses the wind and disperses the evil without harming the right side of the body. "This wants to disperse the wind evil, when leaning like a screen, as precious as jade also". Therefore, it is called "Jade Screen Wind Scatter". Jade Screen Fung San can improve the body's immunity, and has antiviral and anti-infectious effects. For myocarditis, kidney disease and asthma, allergic rhinitis and other diseases, there is a reduction in the chances of catching a cold.