The common conditions for registering baseball/softball players for young people and a Chinese-English comparison of the characteristics of the two sports:
Age range
Usually 6-18 years old (grouped by U8/U10/U12/U15/U18)
Typically 6-18 years old (grouped as U8/U10/U12/U15/U18)
Health certificate
A physical examination report is required, focusing on cardiopulmonary function and the risk of sports injuries
Medical certificate required, focusing on cardiovascular health and injury risks
Guardian consent
Minors must have a parent/guardian sign a waiver agreement and permission to participate
Parent/guardian must sign liability waivers and participation consent

Baseball
Master basic pitching, batting, catching, and running skills
Basic pitching, hitting, catching, and base-running skills
Understand defensive positioning and tactical signals (e.g. sacrificial strikes)
Understand defensive positioning and tactical signs (e.g., sacrifice bunt)
Softball
Adapt to slow-pitch/fast-pitch softball rules (pitch arc height requirements)
Adapt to slow-pitch/fast-pitch rules (required pitch arc height)
Proficient in the use of softball gloves (wider than baseball gloves)
Proficient with softball-specific gloves (wider than baseball gloves)

Proof of identity (copy of household register/passport)
ID proof (household register/passport copy)
Sports Accident Insurance Policy (Covers Training & Competition)
Sports accident insurance (covering training and matches)
Physical fitness test report (e.g. 30m sprint, vertical jump)
Fitness test report (e.g., 30m sprint, vertical jump)

Time requirements
At least 3 team trainings + 1 simulation match per week
Minimum 3 team practices + 1 scrimmage per week
Equipment specifications
Baseball: Metal/wooden bat of size (BBCOR certified)
Baseball: Metal/wood bats meeting BBCOR standards
Softball: Shock-resistant helmet and mask (especially in the catcher position)
Softball: Shock-absorbing helmets & masks (mandatory for catchers)

Entry-level
Community Leagues (emphasis on fun and basic rules teaching)
Community leagues (focus on fun & basic rules)
Competitive level
National Junior Championship (Skills Assessment)
National youth championships (require skill assessment)

School collaboration
Many cities include baseball and softball as an elective physical education subject in primary and secondary schools
Many schools offer baseball/softball as elective courses
MLB Assisted
MLB has youth development programs in China (such as Play Ball!). Activities)
MLB operates youth programs in China (e.g., Play Ball! initiative)