Generally, dandelion, cistanchis and cassia seeds can be boiled together and drunk. Dandelion, can be used to treat lung carbuncle (lung abscess), intestinal carbuncle (carbuncle that occurs in the intestinal organs, manifested by fever, pain in the right abdomen, and palpable lump), breast carbuncle (red, swollen, and painful breasts, with poor milk drainage, and ultimately septic disease), and scrofula (mainly refers to cervical lymph node tuberculosis). Excessive dosage may lead to slow diarrhea. Cistanche, treating deficiency of kidney yang, impotence and premature ejaculation, infertility with uterine cold, soreness of waist and knees, impotence and weakness. It is not recommended for people with deficiency of yin and fire and loose stool (thin and unshaped feces) and diarrhea, and is not recommended for people with heat constipation. Cassia seeds, the main treatment for eye redness and swelling pain, shyness and tears (eyes afraid of light, often tears), dark eyes, headache, dizziness. Do not take if the spleen and stomach are weak and cold, or if there are loose stools. The effective dosage of dandelion, cistanchis and cassia seeds boiled together in water is limited, and generally cannot achieve therapeutic effect, if you want to achieve the desired effect, it is recommended to carry out regular treatment under the guidance of a doctor. If there is any discomfort after drinking dandelion, cistanchis and cassia seeds boiled together, it is recommended to stop using it and seek medical advice promptly.