The so-called “deficiency is not subject to tonic” refers to the body function is weak and can not tolerate the power of tonic, often caused by old age, chronic disease and other factors lead to low function of the spleen and stomach can not be absorbed into nutrients caused by the problem, through the use of flat tonic, clear tonic products (such as maitake, dendrobium, etc.) slow tonic, the initial dosage is appropriate for the light, the effectiveness of the medication, and then adjust the amount of medication according to the patient’s response in a timely manner. After taking the medicine and seeing the effect, adjust the dosage according to the patient’s reaction. Traditional Chinese medicine believes that the spleen and stomach are the foundation of the later life, the spleen and stomach play the role of nourishing the five organs and six bowels by absorbing the ingested nutrients, and the normal function of the spleen and stomach is robust; the abnormal function of the spleen and stomach is a decrease in the body’s function. Ophiopogon enters the heart, lung and stomach meridians, has the effect of nourishing yin, moistening the lungs and clearing the heart, and is good at treating dry cough with little phlegm, vomiting blood, insomnia, dry mouth and tongue, constipation and other symptoms. Attention, abdominal pain and diarrhea, abdominal cold pain, cough and phlegm white people should not use. Dendrobium enters the stomach, kidney meridian, has the benefit of stomach, nourish the yin and clear the effect of heat, adept at treating dry mouth and tongue, heartburn, loss of appetite, nausea and dry vomiting, blurred vision and so on. Note that it is forbidden to be taken by people with cold spleen and stomach. Specific selection and use of drugs, recommended professional physician or pharmacist guidance.