The invention relates to a control method of a patrol maintenance robot. The control method includes the steps that routing inspection is conducted on data central computer room, and state informationof computer room equipment is obtained; the state of the computer room equipment is judged according to the state information of the computer room equipment and preset equipment abnormity judgment standards, and equipment information of abnormal equipment in the computer room equipment is obtained; the equipment information of the abnormal equipment is sent to an operation background through theinternet of things, and operation signals, sent by the operation background, for handling the abnormal equipment are received through the internet of things; and the abnormal equipment is handled according to the operation signals. According to the patrol maintenance robot, the information of the abnormal equipment in the computer room equipment can be collected during patrol and is sent to patrolmaintenance staff through the internet of things, the operation signals are received, and the abnormal equipment is correspondingly handled according to the operation signals. The automatic degree ofthe data central computer room is improved, and the production efficiency is improved. The invention further provides a control device of the patrol maintenance robot, computer equipment and a storage medium.