The information provided here is not a replacement for a doctor. You shouldn't use it for the purpose of self-diagnosing or self-medicating but rather so you can have a more informed discussion with a professional TCM practitioner.
In Chinese Medicine childhood malnutrition can be treated by one herbs that we have on record. Here is the list below.
Chicken gizzard skin might help with childhood malnutrition
Why might Chicken Gizzard Skin (Ji Nei Jin) help with childhood malnutrition?
Because it is a herb specifically indicated to treat childhood malnutrition as can be seen on Chicken Gizzard Skin's page.
Chicken Gizzard Skins is a Neutral herb that tastes Sweet. It targets the Bladder, the Spleen, the Stomach and the Small intestine.
Its main actions are: Improves digestion and unblocks Food Stagnation. Dissolves stones in the urinary or biliary tract.
Other symptoms often associated with childhood malnutrition
Night urination Vomiting Diarrhea Enuresis Urinary stones Biliary stones Gallstones