The invention discloses a processing method of salt roasted chicken. The method comprises the following steps: (1) blending marinating liquid, namely adding spices into water, boiling, and adding table salt to prepare the special marinating liquid for processing the salt roasted chicken; (2) preparing broiler chicken, namely adopting a three-pipe killing method to kill live chicken and eviscerating the chicken while keeping the integrity of the broiler chicken; (3) marinating, namely hanging the broiler chicken, heating the marinating liquid in a stainless steel tank, immersing the hung broiler chicken into the marinating liquid for marinating, lifting out the marinated broiler chicken and drying the marinating liquid on the surface of the chicken by blowing; (4) cooling and packaging, namely cooling the salt roasted chicken treated by the step (3) and packaging by a food preservation bag; and (5) storing, namely carrying out low-temperature cold storage on the packaged salt roasted chicken. The salt roasted chicken obtained by a marinating method has bright yellow color and luster, a prominent flavor and moderate salinity, and has the mouth feel, flavor, color and luster of salt roasted chicken produced by a traditional salt roasting method; standardized scale processing can also be realized.