Eat goji berries appeared on fire may be the use of improper method, is not a manifestation of yin deficiency. Wolfberry has the effect of nourishing the yin of the liver and kidney, the body of dampness and heat heavy people can appear on the symptoms of fire. The wolfberry is the mature fruit of the Lycium barbarum in Ningxia, family Solanaceae, sweet and flat in nature. Wolfberry has the effect of nourishing the liver and kidneys, benefiting the essence and brightening the eyes (tonifying the essence and promoting the recovery of eyesight), and can treat dizziness and dizziness, lumbar and knee soreness and weakness (a feeling of soreness and weakness of the lumbar and knee), spermatorrhea and premature ejaculation, dimness and uncertainty of the eyes, premature whitening of the beard and hair, insomnia and dreaming and other diseases caused by the deficiency of yin of the liver and kidneys (deficiency of yin of the liver and the kidneys). In summary, wolfberry has the effect of nourishing yin, yin deficiency people taking this drug generally will not appear on fire performance; but it should be noted that, wolfberry nourishing strong, long-term use is likely to lead to dampness and heat accumulation in the body, and then appear on fire performance. Chinese wolfberry need to be under the guidance of a professional physician to correctly use the drug, in order to avoid adverse consequences.