Kidney tonic in the mouth or ears of the Chinese people have been accustomed to, Chinese medicine says that the deficiency is not subject to tonic, if the patient’s constitution is relatively weak, or Chinese medicine above the false, in the time of tonic, especially need to pay attention to the possibility of diarrhea or further aggravation of the original symptoms after the use of traditional Chinese medicine ingredients, which is the deficiency is not subject to tonic of a kind of outward manifestation. If you use the medicine indiscriminately, there is a possibility that the symptoms will further aggravate, and even unforeseen situations, so diarrhea when drinking Chinese medicine for kidney tonic is a common manifestation. It is recommended that when patients think that they need tonic drugs for deficiency, they should use Chinese medicine’s diagnosis of looking, smelling, questioning and cutting to clarify before using drugs, and should not use drugs indiscriminately on their own.