The effect and function of grass.

Lycopodium tenuissimum L. has bitter taste, warm nature, belongs to liver meridian and kidney meridian. It can be used to treat cold, cough, fever, adverse flexion and extension caused by exogenous wind-cold. It also has good effect on muscle and joint pain caused by rheumatism. It can also tonify kidney and protect heart, calm heart and calm mind, remove dampness and reduce swelling.