Coat of ray protection suit and use method

The invention belongs to the technical field of radiation protection, and particularly relates to a coat of a ray protection suit and a use method. The coat of the ray protection suit comprises a coat body, annular openings are formed in the armpits of the coat body, and the ray protection suit is inserted into the annular openings; the multiple pressure reduction pads are arranged on the lining face of the coat body, and air guide channels are formed between the pressure reduction pads; the detachable heat dissipation module generates air flow which flows into the air guide channel. The detachable heat dissipation module comprises a charging fan and a control switch. The charging fan is arranged on the lining face of the coat body, and the control switch is arranged on the outer side face of the coat body. The control switch and the charging fan are connected through a wire. The design and layout of the pressure-reducing pad in the coat of the radiation protection suit form an air guide channel, so that the