Yam and pear can be eaten together without side effects. Yam is sweet in taste, flat in nature, and enters the lung, spleen and kidney meridians, and is not dry or greasy. Has the effects of invigorating spleen and lung, stomach and kidney, consolidating kidney and essence, improving hearing and eyesight, helping five internal organs, strengthening bones and muscles, calming nerves and prolonging life. Indications: weakness of spleen and stomach, loss of appetite, dryness due to lung qi deficiency, deficiency of kidney qi, soreness of waist and knees, nocturnal emission, premature ejaculation, increased leucorrhea, skin swelling and obesity. Pear has the effect of moistening lung and reducing dryness, especially in autumn. Both yam and pear have certain effects. You can also steam the yam into pieces and juice it with pears, which has a better health care effect on the lungs.