2, earthworm is good at dredging collaterals, it can be used for weak lung qi deficiency and blood stasis. Lumbricus dredging collaterals can also be used for numbness and pain of limbs and unfavorable flexion and extension of joints. Lumbricus also has the effect of relieving cough and asthma. It can relieve the spasm of bronchial smooth muscle, and can be used for bronchial asthma or asthmatic bronchitis. It can also be used for primary hypertension. Lumbricus diuresis and stranguria, which can be used for dysuria, urgency, frequent micturition, dysuria, etc.