The present invention relates to food processing technology, and is especially making process of salted gastrodia tuber. Salted gastrodia tuber is made with gastrodia tuber as main material and Canadapotato as supplementary material and residual sauce. The making process includes the following steps: slicing gastrodia tuber, soaking in salt solution, and soaking in heated residual sauce. The salted gastrodia tuber product is mixture of salted gastrodia tuber, supplementary material and soaked liquid, and has high nutritious value, high medicinal effect and good taste.