Efficacy of Traditional Chinese Medicine Combined With Omeprazole in Patients With Non-erosive Reflux Disease

Inclusion Criteria: * Aging between 18 and 75 years, able to read and write Chinese; * Meet the criteria of diagnosis of NERD * GERD Q score\>=8 * Meet the TCM diagnosis of syndrome of dampness-heat due to spleen deficiency * Receiving no other treatments during the study; * Voluntarily agreeing with the study protocol and signing a written informed consent. Exclusion Criteria: * Gastro-duodenal ulcer * Infections, inflammations, or obstruction of the small or large intestine * History of gastrointestinal cancer, or prior surgery of the stomach or intestine * Females who are pregnant or those lacking adequate contraception * Unwilling to sign the informed consent