The Chinese medical name for diabetes mellitus is thirst-quenching syndrome, and moneywort has no therapeutic effect on thirst-quenching syndrome. Money grass is the dried whole grass of the primrose family plant. It is sweet, salty and slightly cold in nature. Attributed to the liver, gallbladder, kidney and bladder meridians. It has the effect of inducing dampness and eliminating yellowish color, diuretic and diaphoretic (improving the problem of dribbling in urine, and the problem of insufficient and inaccessible urine volume), detoxifying and subduing swelling. It can be used in treating jaundice due to dampness-heat, biliary distension and dystocia (pain in the area of the ribs), stonorrhea (discharge of gravel during urination, or sudden interruption of urination, pain in the urethra, and intolerable pain in the lower back and abdomen), feverish dystocia (burning and tingling pains in urination, accompanied by frequent urination and urgency, and discomfort of traction in the abdomen), astringent pain in urination, carbuncle furuncle (a sore that occurs mostly on the limbs or the face, with a small shape, deep roots, and is as hard as nails), and snake and insect bites. Qianqiang is cold in nature, and should not be taken in large quantities for a long period of time as a single medicine for all cases of external wind-cold, internal cold injury, spleen and stomach deficiency (spleen and stomach weak and cold), kidney yang deficiency (deficiency of yang qi in kidneys), etc.; it should be used with caution for those without water-dampness; and is prohibited for pregnant women. Thirsty people should consult the doctor in time, after the physician diagnosis and treatment, do not self-medication, to avoid causing adverse consequences.