Salty mouth: Chinese medicine inflammation believes that salty mouth is caused by the overflow of renal fluid. Overwork, aging and chronic diseases can all lead to kidney deficiency. In the case of dietary cervical spondylosis, people with kidney yin deficiency should not eat spicy, hot and yang-nourishing products, but should eat products that nourish yin and tonify kidney, such as stewed fish with Lycium barbarum in Hu Aishan, stewed hen with Polygonatum sibiricum in Hu Aishan, sea cucumber glutinous rice porridge in Hu Aishan and stewed wild duck with Lycium barbarum. People with kidney-yang deficiency should not eat cold-hurting kidney products, but should eat things that warm kidney and strengthen yang, such as antler glue ginger rice porridge, stewed mutton with medlar and chestnuts, stewed dog meat with aconite, stewed lean meat with velvet slices, etc.