2. People with deficiency of both qi and yin should use it with caution, such as thirst, shortness of breath, pale face, listlessness, dry mouth and throat. Tetrapanacis tetrapanacis has the function of diuresis and stranguria. People with deficiency of both qi and yin will take Tetrapanacis tetrapanacis, which will aggravate the consumption of qi and body fluid in the body and aggravate the symptoms of discomfort.
3. Patients with moderate cold should use moderate cold with caution, which means that cold invades the five internal organs, resulting in weakness of limbs, cold limbs, and pain in umbilicus and abdomen. Because the grass tastes sweet and light, and its nature is cold, taking grass in the middle cold may aggravate the accumulation of cold in the body, thus aggravating discomfort.