The efficacy of boiled red bean water: 1, can promote water and reduce swelling, for short urine redness caused by ascites swelling, if appropriate drinking boiled red bean water has a good effect of promoting water and reducing swelling. 2, can protect the liver and reduce yellow, for liver dysfunction caused by the skin, mucous membrane yellowing, if appropriate drinking boiled red bean water has a good effect of protecting the liver and reducing yellow. 3, can clear heat, detoxification, canker sores, for fever injury caused by thirst, dry mouth, poisoning sores, if appropriate drinking boiled red bean water has a good effect of clearing heat, detoxification, canker sores. If you drink boiled red bean water properly, it has a good effect of clearing heat, detoxifying and eliminating canker sores.