Yes, you can. Lemon has the effect of losing weight. Lycium barbarum has the functions of tonifying kidney and essence, nourishing liver and improving eyesight, nourishing blood and tranquilizing mind, promoting fluid production to quench thirst, moistening lung and relieving cough. Treat yin deficiency of liver and kidney, soreness of waist and knees, dizziness, watery eyes, cough, thirst and nocturnal emission. Generally, they are added together to play a coordinating role. You can also drink alone, but it is still not recommended to drink for a long time. Although Lycium barbarum is a kind of nourishing and health-care treasure with good medicinal effect, its effect of warming and nourishing the body is very obvious, and it is not suitable for patients with hypertension, impatience or overnutrition, but it does not have such shortcomings.