The invention discloses a clausena lansium leaf tea with a function of clearing damp. The clausena lansium leaf tea comprises the following raw materials of clausena lansium leaf, anoectochilus roxburghii, spinach, toona sinensis leaf, pitaya, water, vitamins, tea polyphenol, vinegar, D-galactose, diacetyl tartaric acid ester of mono (di) glycerides, soybean glue and sodium citrate. The clausena lansium leaf tea is prepared through the steps of raw material weighing, blanching, color protection, pulping, enzymolysis, grinding with a colloid mill, blending, homogenizing, ultra-high pressure sterilization, filling, microbiological detection and the like. The clausena lansium leaf tea prepared by taking clausena lansium leaves as a main raw material and combining with special fruits and vegetables has the effects of clearing away heat and toxic materials, relieving summer heat and quenching thirst, and clearing damp and harmonizing stomach, the obvious effective rate reaches 91% or above, and the effect is superior to that of tea prepared in the prior art.