Traditional Chinese medicine believes that konjac is cold, pungent and toxic, and has the functions of removing blood stasis and swelling, clearing away heat and toxic materials, promoting blood circulation and dredging channels, and resolving phlegm.

It is found that konjac can promote intestinal peristalsis, improve gastrointestinal environment, strengthen the activity and secretion function of various enzymes in gastrointestinal tract, and can effectively assist in the treatment of gallstones, constipation and gastrointestinal cancer. It also has anti-inflammatory effect, and can be used to treat skin infectious diseases such as furuncle and sore. It can also improve blood supply to the skin and maintain skin elasticity and luster; It can inhibit the absorption of cholesterol by human body and prevent the occurrence of hypertension and cardiovascular diseases; Can lose weight and improve people's physical beauty.

The whole plant of Amorphophallus konjac is poisonous, so it must be processed before eating as food.