Black wolfberry generally refers to black fruit wolfberry, belongs to a flavor of Chinese medicine, and there is no clear contraindication, cough patients can drink black wolfberry, but can not improve the symptoms of cough. Black fruit of wolfberry taste sweet, sex flat, to the liver, kidney meridian, mainly with nourishing the liver and kidneys, benefit the essence of the eyes (tonic essence, promote vision recovery) efficacy, clinically can be used for vertigo tinnitus, impotence, spermatorrhea, lumbar and knee pain, deficiency, deficiency, yellow blood, dark eyes, and so on. Black fruit of wolfberry drinking water and no clear contraindications, normal healthy people can take, coughing patients can also be appropriate to drink, but does not improve the symptoms of cough. Its adverse reactions are not clear. Another need to pay attention to the tea drink and can not play the full effect of the drug, can not replace the use of drugs. It is recommended that cough should go to the hospital for treatment in a timely manner, not to take black fruit goji berries and other drugs, so as not to delay the condition.