Intractable insomnia in Chinese medicine belongs to the category of insomnia. Clinically, Cordyceps Compound Oral Liquid is generally not used to treat intractable insomnia, and the drug is mainly used for the treatment of cough and wheezing caused by the failure of the lungs in declaring and purging, and the failure of the kidneys to absorb qi (the kidneys are dysfunctional and unable to incorporate gases). Compound Cordyceps Oral Liquid belongs to proprietary Chinese medicines, and the main ingredients in this medicine include Cordyceps sinensis, wolfberry, Epimedium, hawthorn and so on. The drug can play the role of nourishing the liver and kidney, tonifying the lung and tranquilizing the heart, waking up the spleen and opening up the depression in the clinic. It is mainly used in the treatment of prolonged illness and weakness, memory loss, cough and asthma, impotence, hyperlipidemia and so on. Compound Cordyceps Oral Liquid is prohibited for children and diabetic patients, and should not be taken by patients with cold and fever. Specific medication is recommended to consult a doctor.