The invention relates to a hair growth apparatus, which comprises a fixed frame for covering a human bodyAt least one audio resonator is arranged on the fixed frame； a control module is arranged on the fixed frame, and the control module is electrically connected with the audio resonator. The control module controls the audio resonator to play an audio message, which makes the audio resonator produce a resonance frequency, and then produce a harmonic resonance effect with the head, so as to promote the blood circulation of the scalp. It can nourish the hair follicle and restore its activity, so as to stimulate the growth of hair.本創作係有關一種毛髮生長器，包含：一固定架，以供罩覆於一人體之頭部上；至少一音頻共振器，設於該固定架上；一控制模組，設於該固定架上，該控制模組電連接該音頻共振器，該控制模組控制該音頻共振器播放一音訊，該音訊使該音頻共振器產生一共振頻率，進而與頭部產生和諧共振效應，藉以促進頭皮血液循環之功效，使毛囊獲得足夠滋養並恢復活性，以刺激頭髮之增生。
