Alternative names medicinal melon, Juniperus communis, duck egg melon, Psidium guajava kernel, Psidium guajava shell, Psidium guajava skin.

Morphological features perennial herbaceous vine, up to 10 meters long. Born on mountain slopes, forest margins, flat land or water's edge, often cultivated. Tuberous root thick long columnar, fat, gray-yellow outer skin, white cross-section, fleshy, rich in starch. Stem with shallow longitudinal grooves. Tendrils arising from leaf axils. Leaves alternate, blade suborbicular, palmately y five to seven-lobed, margin sparsely toothed or notched. Flowers white, male flowers several at the tip of the pedicel, petals finely divided into filaments; female flowers alone in the leaf axils. Gourd fruit ovoid, yellow-brown at maturity, with fleshy flesh. Seeds melon-shaped, ovoid, brown. Autumn pick ripe fruit, placed in a ventilated place to dry. Or cut open the fruit, take out the seeds, and the pericarp are sun-dried. Digging the roots in late fall, scrape off the rough skin, cut into pieces and dry or dry, that is, "pollen".

Growth environment is distributed in China's southwest, central and southern provinces, autonomous regions.

Effective flavor taste sweet, slightly bitter, cold. Clearing heat and resolving phlegm, broadening the chest and dispersing knots, eliminating carbuncles and swellings, moistening intestinal dryness.

Specialty formulae: 1 piper betel bark (roasted and burnt to a powder).

Usage: take the above medicine, will be a pear dug a hole, into the end of piperidium guajava, with a bag of cooked. 1 day 3 times to eat, 2 years of age under the age of a child 2 days to eat 1.

Treatment: measles cough. The second formula: day pollen, mung beans 50 grams each.

Use: *** research fine powder, cold boiled water into a paste, external coating of the affected area, 3 to 5 times a day.

Treatment: mumps. The third party: guayule appropriate amount.

Use: take the above medicine, roasted and finely ground. 10 grams each time, 3 times a day to take.

Treatment: angina pectoris of coronary heart disease. Fourth formula: 1 to 2 fresh piper betel.

Use: mashed compresses the affected area (exposing the nipple so that milk drainage).

Treatment: mastitis. Fifth formula: Chen Gua Piao 100 grams.

Use: Decoction. Leave it to warm for sitz bath for 20 minutes.

Attention: Lower bowel movement. Formula 6: 30 grams of piper betel, 9 grams of dendrobium.

Use: Decoction with water, 1 dose daily.

Treatment: menstrual closure. Seventh formula: 15 grams of Psidium guajava, 60 grams of Dandelion, 9 grams of Green Peel.

Use: Decoction with water, 1 dose daily.

Treatment: acute pancreatitis. The eighth formula: 1 green piper betel.

Use: Take the above medicine, roast and powder. Take 6 grams each time, 3 times a day.

Treatment: acute hepatitis.