The invention discloses a multi-unit patrol inspection fully-automatic analysis method of a solidifying point. Samples are divided into a plurality of mutually independent and mutually associated identical detection units, the controlled dry air is blown to the sample surface during the cooling of one detection unit at equal intervals of 1 DEG C by a patrol inspection method, and the moving situation of the sample surface of the unit is detected through an optical detector until the sample temperature during no movement on the sample surface is detected out, i.e. the solidifying point. A multi-unit patrol inspection fully-automatic analyzer of the solidifying point is provided with a measuring chamber (6), wherein a plurality of sample detection units (1) and a cooling device (5) are arranged in the measuring chamber (6), temperature sensors (7) are arranged on the sample detection units (1), an airflow perturbator (4) is arranged corresponding to each sample detection unit (1), reflecting mirror surfaces are disposed at the bottoms of the sample detection units (1), and detectors (2) are arranged above the sample detection units (1). The method and the instrument fully replace theoriginal manual assay analysis process, reduce the analysis time to 20-30 minutes from the original 1.5-2 hours, enhance the analytic precision, the repetitiveness to 1 DEG C from 2 DEG C as well asthe reproducibility to 2 DEG C from 4 DEG C, improve the working efficiency and save human resources.