Goji berries are generally not recommended for weak spleens and stomachs. Wolfberry has the effect of nourishing the liver and kidney, benefiting the essence and brightening the eyes (tonifying the essence and promoting the recovery of eyesight). Wolfberry is the ripe fruit of Ningxia wolfberry, family Solanaceae, sweet taste, flat nature, attributed to the liver, kidney meridian, with nourishing the liver and kidney, benefiting the essence and brightening the eyes. It is used for the treatment of deficiency of essence, lumbar and knee pain, dizziness and tinnitus, impotence and spermatorrhea, internal heat and thirst (internal heat accompanied by symptoms such as eating more, drinking more and urinating more), blood deficiency and atrophy, fainting and unclear vision and other diseases. The adverse effects and contraindications of this drug are not known. This drug should be used with caution in patients with spleen deficiency and loose stools (thin and unformed feces). Therefore, it is not recommended to take Lycium barbarum for people with weak spleen and stomach. It is recommended to take this medicine under the supervision of a doctor. In addition, it is recommended that people with weak spleen and stomach should avoid eating cold, oily and spicy foods.