Ring of detecting physiological information

A ring of detecting physiological information of a user, the ring comprising:

• a case having an inner space adapted to accommodate a finger of the user, the inner space comprising an annular region and a sunken region, the sunken region having a first lateral side, a lower bottom and a second lateral side, the first lateral side and the second lateral side being located on two sides of the sunken region and respectively connected with two sides of the annular region, the annular region being adapted to cover a back of the finger, the lower bottom of the sunken region contacting against a finger pulp of the finger, the first lateral side and the second lateral side respectively contacting against lateral sides of the finger;
• and
• a detection assembly disposed inside the case, the detection assembly comprising a first detection module and a second detection module respectively located on the first lateral side and the second lateral side.