def init_ui(self): table = QTableWidget(3, 3) table.setHorizontalHeaderLabels(['Name', 'Model Type', 'Date']) table. first_line = ('honese', 'Model1D', '2020-04-15') for i in range(0, 3): table_item = QTableWidgetItem(first_line[i]) table.setItem(0, i, table_item) v_box = QVBoxLayout() v_box.addWidget(table) self.setLayout(v_box)