It is not only cold and hot, but also accompanied by bitterness in the mouth, rotation of vision, chest distension, nausea, vomiting, irritability, not wanting to eat, etc. Under the diagnosis of Chinese medicine doctors, we need to apply the Chinese medicine Xiao Chai Hu granules or the soup Xiao Chai Hu Tang, Da Chai Hu Tang, etc. for symptomatic treatment, which will have a very good effect on the cold and hot in the elderly. Modern medicine believes that elderly people are weak and have cold and fever because of their own immune system, and there is an obstacle to the regulation of body temperature, so they can be treated with some nerve-nourishing drugs such as glutamate tablets and methylcobalamin.