In the past, taking traditional Chinese medicine decoction took a long time to cook, bringing great burden to dementia caregivers. With the advent of new decoction and packaging technologies, traditional Chinese medicine ready-to-drink packs can be packaged directly after decocting at the pharmacy, and the patient is ready to drink by turning on the heat. In this paper, we will introduce Chinese herbal decoction commonly used in the treatment of dementia, including Zhi-Ai-Tang, Ning-Xin-An-Shen-Yin, and Kang-You-Jie-Yu-Cha. Zhi-Ai-Tang can help people with dementia at various stages to improve cognitive function and reduce abnormal behavior symptoms; Kang-You-Jie-Yu-Cha is suitable for moderate dementia patients with anxiety, paranoia, dusk syndrome and other symptoms; Ning-Xin -An-Shen-Yin Drink for melancholy and restless in patients with severe dementia.