The role of grasshopper in seasoning is to increase the fragrance and remove the smell and smell. It is also called Hainan mountain ginger. It is a perennial herb with ribbon-shaped leaves, a tapered top and a spiral tail-like tip. Head, tapered at base, hairless on both sides. In addition, the fruit is a capsule, dry or fleshy, usually undehiscent or irregularly dehiscent, or 3-dehiscent, with many seeds and an aril. This species is rare among the subgenus Alpinia because of its long bracts. , the racemes are medium and sturdy, 13-15 cm long.