“It belongs to the category of traditional Chinese medicine (TCM), which has the effect of promoting blood circulation. Dilong can be used together with Rhizoma Ligustici Chuanxiong and Radix Astragali to invigorate the channels and blood vessels, and is used in treating middle wind with deficiency of qi and blood stagnation and stagnation of the veins and channels. Dilong is good at running away and is good at activating the channels. It can be used in all cases of meridian stagnation, poor blood circulation, and unfavorable joints of the limbs. It can be combined with Rhizoma Ligustici, Radix Astragali and Radix Angelicae Sinensis in the treatment of Qi deficiency and blood stagnation, stagnation of veins and collaterals in the treatment of Neutral Wind, paraplegia (inability to move one side of the limb), and slanting of the mouth and eyes. Dilong also has the effects of clearing away heat, calming alarm, asthma and diuresis, and is used in treating high fever, fainting, mania, coughing and asthma, paralytic pain of joints, numbness of limbs, edema and urinary incontinence. Adverse reactions and contraindications of Dilong are not clear, spleen and stomach cold (spleen and stomach weakness and cold) should be used with caution, the drug must be used under the guidance of a doctor, do not blindly self-medication.