SELECT r.registration_information_id, r.user_id,r.real_name, r.affiliated_hospital, r.medical_department_id, r.professional_title_doctor_id, r.personal_resume, r.area_expertise, r.registration_time, r.number_patients_served, r.consulting_price, r.praise, r.registration_information_examine_status, r.registration_information_medic_status, s.`name`, p.professional_title_doctor_name FROM `registration_information` r LEFT JOIN symptoms_drugs s ON r.medical_department_id = s.id LEFT JOIN professional_title_doctor p ON r.professional_title_doctor_id = p.professional_title_doctor_id r.medical_department_id = #{medicalDepartmentId} ORDER BY r.consulting_price DESC r.medical_department_id = #{medicalDepartmentId} ORDER BY r.number_patients_served DESC r.medical_department_id = #{medicalDepartmentId} ORDER BY r.praise DESC select symptoms_drugs.id, symptoms_drugs.name from symptoms_drugs where pid = 1 r.medical_department_id=#{medicalDepartmentId} ORDER BY .consulting_price,r.number_patients_served,r.praise DESC