从语音、词汇特征看,临高语是多来源的,在长期演变中整合为一个独特音系。临高语早期的清塞音变为先喉浊塞音,先喉浊塞音变为其他音,二者之间有链变关系。临高语与北壮方言都没有送气音,但它们之间只是形似,与南壮之间却是神似。临高语的擦音塞化是受粤西两广地区权威汉语方言影响所致,与壮语无关。临高语大面积的边音化与擦音化是侗台语言同样音变的进一步发展。临高语是在两广一带形成后迁入海南岛的,时间下限当在六朝至唐初。 From the phonetic and lexical features, Lingao is a multi-sourced and integrated into a unique phonology in the long-term evolution. Ling Gao language early clear syllable becomes the first throat voiced stoppipe, the first throat voiced stoppipe into other sounds, the relationship between the two chains. Lingao language and North Zhuang dialect are not aspirated sound, but only between them like a shape, but with the Nan Zhuang is similar. The rubbing of Lin Gao language is influenced by the authoritative Chinese dialects of Guangdong and Guangxi Provinces and Guangdong Provinces and has nothing to do with Zhuang language. Ling Gao language large area of ​​the rubbing and fricative is the same voice of the Kamutai language further development. Lin Gao language is moved to Hainan Island after the formation of the Guangdong and Guangxi, the minimum time when in the six dynasties to the early Tang.