2. It has the effects of benefiting qi and nourishing blood, protecting liver, relieving cough and resolving phlegm, promoting fluid production and quenching thirst. Can be used for treating dizziness, insomnia, dreaminess, amnesia, chest distress, shortness of breath, impotence, premature ejaculation, chronic cough and asthma, soreness of waist and knees, and weakness of limbs. It also has a good effect on some women with postoperative weakness, thick and white tongue coating and aphtha.