12 patients with eosinophilic gastroenteritis were treated with prescriptions and drugs based mainly on the method of reinforcement of essence of the kidney. Remarkable curative effect was achieved in 9 cases and eutherapeutic effect in 3, i.e., the cure rate was 100%. The efficacy began to appear in a minimum of 7 days and a maximum of 12 days. There was no recurrence over 1 to 3 years' follow-up observation.