控制控件的Location属性啊.比如有个固定的textBox1TextBox dynTextBox1 = new TextBox();dynTextBox1.Location = new Point(textBox1.Location.X,textBox1.Location.Y+15);//X坐标不变,Y坐标加15TextBox dynTextBox2 = new TextBox();dynTextBox2.Location = new Point(dynTextBox1.Location.X,dynTextBox1.Location.Y+15););//X坐标不变,Y坐标加15this.panel1.Controls.Add(dynTextBox1);this.panel1.Controls.Add(dynTextBox2);