中醫體質可分為平和體質與偏頗體質兩大類，平和體質代表了個體的健康身心狀態，偏頗體質則是代表個體處於不健康甚至疾病的狀態。偏頗體質又可分成八種類型，特定偏頗體質類型對特定疾病具有易感性，並且會影響疾病的發生、轉歸與預後。因此，基於體質辨識給予認知障礙長者辨體施護，能有效地達到「治未病」目標。澳門長者在偏頗體質的分佈，以陰虛體質佔的比例最高，而長者認知障礙的發生，與陰虛體質和氣鬱體質有關；此兩類偏頗體質主要影響語言與視覺建構認知能力。根據體質辨識結果，制定滋陰生津、疏肝解鬱原則的中醫護理措施，或可改善長者認知障礙情況，並預防疾病的惡化。

Traditional Chinese medicine (TCM) constitution can be divided into two categories, wihch are balanced constitution and unbalanced constitution. Balanced constitution represents the healthy physical and mental state of the individual; while unbalanced constitution represents the state of the individual being unhealthy or even diseased. The unbalanced constitution can be further divided into eight types. Some particular unbalanced constitutions are related to some specific diseases and will affect the occurrence, consequence, and prognosis of diseases. Therefore, for older people with cognitive impairment, nursing care based on constitutional identification could effectively achieve the purpose of disease prevention. In Macao, older people with unbalanced constitution, yin deficiency accounts for the highest proportion. Cognitive impairment among older people is not only affected by age, education, regular exercise, and depression, but is also related to yin deficiency and qi depression. These two types of constitutions mainly affect the language and visuoconstruction of cognitive ability. According to the results of constitution identification, formulating TCM nursing principles of engendering fluid by nourishing yin, and relieving depression by the soothing liver, may improve the cognitive ability of older people and prevent the deterioration of the disease.