Patients with kidney stones can eat some betel nut moderately, which will not have much effect on kidney stones. However, excessive consumption should be avoided, which may cause other diseases such as oral cancer. Usually, kidney stone patients should not eat high purine, high fat, high calcium and high phosphorus food, so as not to promote the growth of stones, is not conducive to the recovery of the condition; and betel nut is basically no such nutrients, betel nut’s main nutrients mainly include alkaloids, crude fiber, mannitol and a small amount of fat, etc.; a small amount of consumption in daily life, and will not affect the condition. Although consuming betel nut does not have a significant effect on kidney stones, excessive consumption of betel nut may damage the teeth and oral mucosa; according to research findings, frequent chewing of betel nut may also increase the probability of developing oral cancer. Kidney stone patients are advised to avoid consuming betel nut in their daily life and to eat a light, low-fat diet. They are advised to avoid consuming betel nut in their daily life and to eat a light, low-fat diet. They should also consult their doctors for other medical interventions as prescribed.