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+````java
+
+/*==============================================================*/
+/* DBMS name:      MySQL 5.0                                    */
+/* Created on:     2023/9/13 23:37:23                           */
+/*==============================================================*/
+
+create database hospital charset utf8;
+use hospital;
+
+drop table if exists department;
+
+drop table if exists doctor;
+
+drop table if exists drug;
+
+drop table if exists lookpatient;
+
+drop table if exists patient;
+
+drop table if exists patientEat;
+
+/*==============================================================*/
+/* Table: department                                            */
+/*==============================================================*/
+create table department
+(
+   doctor_id            int not null,
+   department_id        int not null auto_increment,
+   department_name      varchar(10) not null,
+   department_tel       int not null,
+   primary key (department_id)
+);
+
+/*==============================================================*/
+/* Table: doctor                                                */
+/*==============================================================*/
+create table doctor
+(
+   doctor_id            int not null auto_increment,
+   doctor_name          varchar(10) not null,
+   doctor_age           int not null,
+   doctor_sex           char(1) not null,
+   primary key (doctor_id)
+);
+
+/*==============================================================*/
+/* Table: drug                                                  */
+/*==============================================================*/
+create table drug
+(
+   drug_id              int not null auto_increment,
+   drug_name            varchar(10) not null,
+   drug_price           int not null,
+   drug_category        varchar(10) not null,
+   primary key (drug_id)
+);
+
+/*==============================================================*/
+/* Table: lookpatient                                           */
+/*==============================================================*/
+create table lookpatient
+(
+   doctor_id            int not null,
+   patient_id           int not null,
+   primary key (doctor_id, patient_id)
+);
+
+/*==============================================================*/
+/* Table: patient                                               */
+/*==============================================================*/
+create table patient
+(
+   patient_id           int not null auto_increment,
+   patient_name         varchar(10) not null,
+   patient_age          int not null,
+   patient_sex          char(1) not null,
+   patient_sfz          int not null,
+   patient_tel          int not null,
+   primary key (patient_id)
+);
+
+/*==============================================================*/
+/* Table: patientEat                                            */
+/*==============================================================*/
+create table patientEat
+(
+   drug_id              int not null,
+   patient_id           int not null,
+   primary key (drug_id, patient_id)
+);
+
+alter table department add constraint FK_employ foreign key (doctor_id)
+      references doctor (doctor_id) on delete restrict on update restrict;
+
+alter table lookpatient add constraint FK_lookpatient foreign key (doctor_id)
+      references doctor (doctor_id) on delete restrict on update restrict;
+
+alter table lookpatient add constraint FK_lookpatient2 foreign key (patient_id)
+      references patient (patient_id) on delete restrict on update restrict;
+
+alter table patientEat add constraint FK_patientEat foreign key (drug_id)
+      references drug (drug_id) on delete restrict on update restrict;
+
+alter table patientEat add constraint FK_patientEat2 foreign key (patient_id)
+      references patient (patient_id) on delete restrict on update restrict;
+```
+
+````
+