1, no chronic diseases, but weak, often cold in the spring and summer season. 2.Young and middle-aged people who work too much and have too much physical exertion and overdraft and have difficulty recovering themselves. 3, middle-aged and elderly people who have declining physical fitness, or busy work, often feel tired and sleepy, energy decline and sleep quality decline. 4, the body has some chronic diseases have been recovered or although not cured, but relatively stable people. 5.Post-illness, post-surgery, post-hemorrhage in the recovery stage, and those with reduced sexual function.