The correct drug name for fenugreek is castor seed, and the number of grams of castor seed to be used at one time is related to the patient’s condition and cannot be generalized. In general, the dosage is 9 to 15g, while the exact dosage needs to be determined by the doctor. Powdered castor seed is the dried rhizome of powdered back dioscorea of Dioscoreaceae family, with bitter taste and flat nature, it has the efficacy of inducing dampness and removing turbidity, dispelling wind and removing paralysis. It can be used in the treatment of dysuria (urine as turbid as rice soup or as slippery as grease, accompanied by frequent urination and urgency, and discomfort of traction in the abdomen), leucorrhoea (urine as turbid as white slurry), leucorrhoea, rheumatism and paralysis, adverse joints, and pain in the waist and knees. It should be noted that its dosage is generally 9-15g, but the exact dosage should be determined according to the condition. It is worth reminding that, to ensure safety, it should be used with caution for people with deficiency of kidney yin and spermatorrhea. In addition, in order to avoid the emergence of medication hazards, Chinese herbs should be standardized under the guidance of the doctor’s discernment, do not blindly use.