Find the drawer under the sickbed computer, and click the drawer to open it; Open the drawer to find the stethoscope hidden in the drawer, find the shivering doctor, click on the doctor's briefcase to find a key, move the key to open the locked cabinet, find the syringe in the cabinet, and move the syringe to the zombie. The zombie lost his bone after the injection.

Find the red 6 near the air conditioner in the hospital, and turn the phone upside down (180). Red 6 becomes red 9, and red 9 is found. Find the dropped cabinet in the hospital (the ground on the right side of the computer); Open (click) the cabinet and find the envelope hidden in the cabinet. Click on the cube box on the hospital desk (between two computers on the desk); Click on the box to complete the puzzle and turn the knob to the correct position. After the puzzle is finished, the toy clown will pop up and find the hidden clown toy.

Click on the file bag on the ground and find the digital password: 2943; Click on the computer on the desk, and the password to unlock the computer is 2943; After entering the password correctly, the computer is turned on and the mouse arrow of the computer is successfully found. Turn on the computer on the desk, and change all the switch controls on the computer screen to "On" (all the switch control buttons on the computer screen turn green) to open the hospital.