Dioscorea pills are a kind of Chinese patent medicine with the efficacy of being used for treating deficiency of qi and blood, fatigue, regulating spleen and stomach as well as menstruation. However, not everyone is suitable to eat, if the patient has allergy to yam, cold, aggravation of symptoms, other conditions, not suitable to eat Dioscorea pills. 1, allergy to yam: the main component of Dioscorea pills is yam, if allergic to yam, should be prohibited to eat Dioscorea pills. If the symptoms of allergy promptly practice medicine, so as not to delay treatment; 2, cold patients: patients already suffering from a cold is not recommended to take Dioscorea pills, because Dioscorea pills have an exclusion reaction, already suffering from a cold and then eat, it may aggravate the symptoms of the cold. If there is no disease to take Dioscorea pills can regulate qi deficiency; 3, symptoms aggravated: If taking Dioscorea pills symptoms do not improve, or aggravate or even other symptoms of the population, should immediately stop Dioscorea pills, such people are not suitable to eat; 4, other: If pregnant women, children, hypertension, diabetes and other special groups of people, it is recommended not to take Dioscorea pills without permission. If you need to take it, it should be taken under the guidance of a professional physician to avoid unnecessary hazards. During taking Dioscorea pills, patients should avoid eating greasy foods such as fried chicken and oil cake at the same time. In addition, if you are taking other drugs, please take them under the guidance of a doctor.