The cerebellum plays critical roles in motor performance and non-motor functions such as cognition and emotion (Koziol et al., 2014; Baumann et al., 2015). These functions are encoded by canonical microcircuits that are composed of diversified cell types distributed in the cerebellar cortex and cerebellar nuclei (Buckner, 2013). The abnormality and dysfunction in cerebellar microcircuits cause a number of neurological and psychiatric symptoms, such as ataxia, tremor, autism spectrum disorder, and schizophrenia. Extensive morphologic and electrophysiological evidence has demonstrated the functional machinery of cerebellar microcircuits under physiological and pathological conditions. However, the gene expression framework for cerebellar development and dysfunction is poorly understood.