Risperidone one tablet a day belongs to the small dose application, it is possible, at this time the side effects may be less, but the specific dosage needs to be under the guidance of professional doctors. Risperidone is mainly used for the treatment of schizophrenia as well as other psychiatric disorders, the dosage of one tablet a day belongs to the small-dose application, which may bring fewer side effects and is OK. However, the specific dosage should be determined according to the patient’s condition and sensitivity to the drug, if the patient’s condition is mild and sensitive to the drug, a small dosage application can achieve the effect. However, it should be noted that when using risperidone, care should be taken to prevent postural hypotension, patients with cardiovascular disease should be used with caution; patients who are allergic to the components of risperidone are prohibited from using it. In addition, the use of risperidone may lead to insomnia as well as infections and other adverse reactions, need to be used under the guidance of a doctor, avoid self-medication.